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Common tern

Index Common tern

The common tern (Sterna hirundo) is a seabird in the family Laridae. [1]

171 relations: Agreement on the Conservation of African-Eurasian Migratory Waterbirds, Alarm signal, Alaska, Alexander von Nordmann, American mink, Annelid, Antarctic tern, Arctic tern, Australasia, Avian influenza, Azores, Beetle, Bird, Bird colony, Bird louse, Bird migration, Bird ringing, Bird vision, Bird vocalization, Black skimmer, Black-crowned night heron, Black-headed gull, Breeding pair, Buff (colour), California, Camouflage, Canary Islands, Caribbean, Carl Linnaeus, Carotenoid, Cestoda, Clutch (eggs), Cockchafer, Cone cell, Conservation movement, Courtship display, Crustacean, Cyclophyllidea, DDT, Defecation, Dichlorodiphenyldichloroethylene, Diphyllobothrium, Diurnality, Dolphin, Down feather, East Africa, Equator, Eurasia, Exoskeleton, Feces, ..., Feminization (biology), Fitness (biology), Fledge, Flight feather, Forster's tern, Fossil, Fowl cholera, Frisians, Gene, Great horned owl, Great Lakes, Great Lakes region, Gulf of Mexico, Gull, Habitat destruction, Haematozoa, Hatmaking, Heath, Helminths, Heron, Himalayas, Hippoidea, Hoarding (animal behavior), Hormone, Howard Saunders, Hybrid (biology), Indian Ocean, Influenza A virus subtype H5N3, Insect, Intergradation, Introduced species, Invertebrate, IUCN Red List, Kleptoparasitism, Labrador, Ladakh, Lake Baikal, Lake Bant tern colony, Laridae, Larva, Las Aves archipelago, Laughing gull, Least-concern species, Leech, Ligula intestinalis, Los Roques archipelago, Louse, Madeira, Merlin (bird), Migratory Bird Treaty Act of 1918, Mite, Mollusca, Moth, Moulting, Muskrat, Nape, Nocturnality, North Carolina, Old English, Onomatopoeia, Owl, Pacific Ocean, Pellet (ornithology), Peregrine falcon, Persian Gulf, Petr Sushkin, Phytoplankton, Pigment, Plasticine, Plumage, Polychlorinated biphenyl, Polynesia, Prawn, Precocial, Predatory fish, Prolactin, Psittacosis, Rat, Red fox, Reighardia sternae, Retina, Rocky Mountains, Roseate tern, Royal Society for the Protection of Birds, Ruddy turnstone, Salt marsh, Sandwich tern, Sardine, Schistocephalus, Scotland, Scots language, Seabird, Shingle beach, Short-eared owl, Shrimp, Siberia, Sibling, Skimmer, Skua, South American tern, Spotted sandpiper, Squid, Stewart Island, Subarctic, Subspecies, Subtropics, Swallow, Sympatry, Taiga, Temperate climate, The Birds of the Western Palearctic, The Seafarer (poem), Tibet, Tropics, Ultraviolet, Wader, West Africa, White-cheeked tern, White-fronted tern, Zostera, 10th edition of Systema Naturae. Expand index (121 more) »

Agreement on the Conservation of African-Eurasian Migratory Waterbirds

The Agreement on the Conservation of African-Eurasian Migratory Waterbirds, or African-Eurasian Waterbird Agreement (AEWA) is an independent international treaty developed under the auspices of the United Nations Environment Programme's Convention on Migratory Species.

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Alarm signal

In animal communication, an alarm signal is an antipredator adaptation in the form of signals emitted by social animals in response to danger.

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Alaska

Alaska (Alax̂sxax̂) is a U.S. state located in the northwest extremity of North America.

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Alexander von Nordmann

Alexander von Nordmann (24 May 1803 in Ruotsinsalmi (now Kotka), Finland – 25 June 1866 in Helsinki) was a 19th-century Finnish biologist, who contributed to zoology, parasitology, botany and paleontology.

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American mink

The American mink (Neovison vison) is a semiaquatic species of mustelid native to North America, though human intervention has expanded its range to many parts of Europe and South America.

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Annelid

The annelids (Annelida, from Latin anellus, "little ring"), also known as the ringed worms or segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and leeches.

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Antarctic tern

The Antarctic tern (Sterna vittata) is a typical tern.

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Arctic tern

The Arctic tern (Sterna paradisaea) is a tern in the family Laridae.

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Australasia

Australasia, a region of Oceania, comprises Australia, New Zealand, neighbouring islands in the Pacific Ocean and, sometimes, the island of New Guinea (which is usually considered to be part of Melanesia).

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Avian influenza

Avian influenza—known informally as avian flu or bird flu is a variety of influenza caused by viruses adapted to birds.

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Azores

The Azores (or; Açores), officially the Autonomous Region of the Azores (Região Autónoma dos Açores), is one of the two autonomous regions of Portugal.

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Beetle

Beetles are a group of insects that form the order Coleoptera, in the superorder Endopterygota.

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Bird

Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.

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Bird colony

A bird colony is a large congregation of individuals of one or more species of bird that nest or roost in proximity at a particular location.

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Bird louse

A bird louse is any chewing louse (small, biting insects) of order Phthiraptera which parasitizes warm-blooded animals, especially birds.

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Bird migration

Bird migration is the regular seasonal movement, often north and south along a flyway, between breeding and wintering grounds.

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Bird ringing

Bird ringing or bird banding is the attachment of a small, individually numbered metal or plastic tag to the leg or wing of a wild bird to enable individual identification.

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Bird vision

Vision is the most important sense for birds, since good eyesight is essential for safe flight, and this group has a number of adaptations which give visual acuity superior to that of other vertebrate groups; a pigeon has been described as "two eyes with wings".

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Bird vocalization

Bird vocalization includes both bird calls and bird songs.

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Black skimmer

The black skimmer (Rynchops niger) is a tern-like seabird, one of three very similar birds species in the skimmer genus Rynchops in the gull family Laridae.

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Black-crowned night heron

The black-crowned night heron (Nycticorax nycticorax), or black-capped night heron, commonly shortened to just night heron in Eurasia, is a medium-sized heron found throughout a large part of the world, except in the coldest regions and Australasia (where it is replaced by the closely related rufous night heron, with which it has hybridized in the area of contact).

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Black-headed gull

The black-headed gull (Chroicocephalus ridibundus) is a small gull that breeds in much of Europe and Asia, and also in coastal eastern Canada.

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Breeding pair

Breeding pair is a pair of animals which cooperate over time to produce offspring with some form of a bond between the individuals.

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Buff (colour)

Buff is the pale yellow-brown colour of the undyed leather of several animals.

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California

California is a state in the Pacific Region of the United States.

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Camouflage

Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see (crypsis), or by disguising them as something else (mimesis).

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Canary Islands

The Canary Islands (Islas Canarias) is a Spanish archipelago and autonomous community of Spain located in the Atlantic Ocean, west of Morocco at the closest point.

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Caribbean

The Caribbean is a region that consists of the Caribbean Sea, its islands (some surrounded by the Caribbean Sea and some bordering both the Caribbean Sea and the North Atlantic Ocean) and the surrounding coasts.

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Carl Linnaeus

Carl Linnaeus (23 May 1707 – 10 January 1778), also known after his ennoblement as Carl von LinnéBlunt (2004), p. 171.

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Carotenoid

Carotenoids, also called tetraterpenoids, are organic pigments that are produced by plants and algae, as well as several bacteria and fungi.

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Cestoda

Cestoda is a class of parasitic worms in the flatworm (Platyhelminthes) phylum, commonly known as tapeworms.

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Clutch (eggs)

A clutch of eggs is the group of eggs produced by birds, amphibians, or reptiles, often at a single time, particularly those laid in a nest.

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Cockchafer

The cockchafer, colloquially called May bug or doodlebug, is a European beetle of the genus Melolontha, in the family Scarabaeidae.

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Cone cell

Cone cells, or cones, are one of three types of photoreceptor cells in the retina of mammalian eyes (e.g. the human eye).

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Conservation movement

The conservation movement, also known as nature conservation, is a political, environmental, and social movement that seeks to protect natural resources including animal and plant species as well as their habitat for the future.

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Courtship display

A courtship display is a set of display behaviors in which an animal attempts to attract a mate and exhibit their desire to copulate.

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Crustacean

Crustaceans (Crustacea) form a large, diverse arthropod taxon which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill, woodlice, and barnacles.

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Cyclophyllidea

Tapeworms of the order Cyclophyllidea (the cyclophyllid cestodes) are the most important cestode parasites of humans and domesticated animals.

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DDT

Dichlorodiphenyltrichloroethane, commonly known as DDT, is a colorless, tasteless, and almost odorless crystalline chemical compound, an organochlorine, originally developed as an insecticide, and ultimately becoming infamous for its environmental impacts.

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Defecation

Defecation is the final act of digestion, by which organisms eliminate solid, semisolid, or liquid waste material from the digestive tract via the anus.

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Dichlorodiphenyldichloroethylene

Dichlorodiphenyldichloroethylene (DDE) is a chemical compound formed by the loss of hydrogen chloride (dehydrohalogenation) from DDT, of which it is one of the more common breakdown products.

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Diphyllobothrium

Diphyllobothrium is a genus of tapeworms which can cause diphyllobothriasis in humans through consumption of raw or undercooked fish.

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Diurnality

Diurnality is a form of plant or animal behavior characterized by activity during the day, with a period of sleeping, or other inactivity, at night.

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Dolphin

Dolphins are a widely distributed and diverse group of aquatic mammals.

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Down feather

The down of birds is a layer of fine feathers found under the tougher exterior feathers.

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East Africa

East Africa or Eastern Africa is the eastern region of the African continent, variably defined by geography.

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Equator

An equator of a rotating spheroid (such as a planet) is its zeroth circle of latitude (parallel).

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Eurasia

Eurasia is a combined continental landmass of Europe and Asia.

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Exoskeleton

An exoskeleton (from Greek έξω, éxō "outer" and σκελετός, skeletós "skeleton") is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton (endoskeleton) of, for example, a human.

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Feces

Feces (or faeces) are the solid or semisolid remains of the food that could not be digested in the small intestine.

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Feminization (biology)

In biology and medicine, feminization is the development in an organism of physical characteristics that are usually unique to the female of the species.

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Fitness (biology)

Fitness (often denoted w or ω in population genetics models) is the quantitative representation of natural and sexual selection within evolutionary biology.

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Fledge

Fledging is the stage in a volant animal's life between hatching or parturition and flight.

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Flight feather

Flight feathers (Pennae volatus) are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges, singular remex, while those on the tail are called rectrices, singular rectrix.

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Forster's tern

The Forster's tern (Sterna forsteri) is a tern in the family Laridae.

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Fossil

A fossil (from Classical Latin fossilis; literally, "obtained by digging") is any preserved remains, impression, or trace of any once-living thing from a past geological age.

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Fowl cholera

Fowl cholera is also called avian cholera, avian pasteurellosis, avian hemorrhagic septicemia. It is the most common pasteurellosis of poultry.

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Frisians

The Frisians are a Germanic ethnic group indigenous to the coastal parts of the Netherlands and northwestern Germany.

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Gene

In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.

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Great horned owl

The great horned owl (Bubo virginianus), also known as the tiger owl (originally derived from early naturalists' description as the "winged tiger" or "tiger of the air") or the hoot owl,Austing, G.R. & Holt, Jr., J.B. (1966).

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Great Lakes

The Great Lakes (les Grands-Lacs), also called the Laurentian Great Lakes and the Great Lakes of North America, are a series of interconnected freshwater lakes located primarily in the upper mid-east region of North America, on the Canada–United States border, which connect to the Atlantic Ocean through the Saint Lawrence River.

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Great Lakes region

The Great Lakes region of North America is a bi-national Canada-American region that includes portions of the eight U.S. states of Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania and Wisconsin as well as the Canadian province of Ontario.

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Gulf of Mexico

The Gulf of Mexico (Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent.

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Gull

Gulls or seagulls are seabirds of the family Laridae in the suborder Lari.

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Habitat destruction

Habitat destruction is the process in which natural habitat is rendered unable to support the species present.

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Haematozoa

Hematozoa is a subclass of blood parasites of Apicomplexa clade.

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Hatmaking

Hatmaking or millinery is the design, manufacture and sale of hats and head-wear.

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Heath

A heath is a shrubland habitat found mainly on free-draining infertile, acidic soils and is characterised by open, low-growing woody vegetation.

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Helminths

Helminths, also commonly known as parasitic worms, are large multicellular parasites, which can generally be seen with the naked eye when they are mature.

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Heron

The herons are the long-legged freshwater and coastal birds in the family Ardeidae, with 64 recognised species, some of which are referred to as egrets or bitterns rather than herons.

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Himalayas

The Himalayas, or Himalaya, form a mountain range in Asia separating the plains of the Indian subcontinent from the Tibetan Plateau.

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Hippoidea

Hippoidea is a superfamily of decapod crustaceans known as sand crabs, mole crabs, or sand fleas.

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Hoarding (animal behavior)

Hoarding or caching in animal behavior is the storage of food in locations hidden from the sight of both conspecifics (animals of the same or closely related species) and members of other species.

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Hormone

A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.

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Howard Saunders

Howard Saunders (16 September 1835 – 20 October 1907) was a British businessman, who later in life became a noted ornithologist, specialising in gulls and terns.

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Hybrid (biology)

In biology, a hybrid, or crossbreed, is the result of combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction.

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Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering (approximately 20% of the water on the Earth's surface).

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Influenza A virus subtype H5N3

H5N3 is a subtype of the species Influenza A virus (sometimes called bird flu virus).

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Insect

Insects or Insecta (from Latin insectum) are hexapod invertebrates and the largest group within the arthropod phylum.

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Intergradation

In zoology, intergradation is the way in which two distinct subspecies are connected via areas where populations are found that have the characteristics of both.

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Introduced species

An introduced species (alien species, exotic species, non-indigenous species, or non-native species) is a species living outside its native distributional range, which has arrived there by human activity, either deliberate or accidental.

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Invertebrate

Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as a backbone or spine), derived from the notochord.

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IUCN Red List

The IUCN Red List of Threatened Species (also known as the IUCN Red List or Red Data List), founded in 1964, has evolved to become the world's most comprehensive inventory of the global conservation status of biological species.

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Kleptoparasitism

Kleptoparasitism (literally, parasitism by theft) is a form of feeding in which one animal takes prey or other food from another that has caught, collected, or otherwise prepared the food, including stored food (as in the case of cuckoo bees, which lay their eggs on the pollen masses made by other bees; food resources could also be in the form of hosts of parasitic or parasitoid wasps).

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Labrador

Labrador is the continental-mainland part of the Canadian province of Newfoundland and Labrador.

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Ladakh

Ladakh ("land of high passes") is a region in the Indian state of Jammu and Kashmir that currently extends from the Kunlun mountain range to the main Great Himalayas to the south, inhabited by people of Indo-Aryan and Tibetan descent.

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Lake Baikal

Lake Baikal (p; Байгал нуур, Baigal nuur; Байгал нуур, Baigal nuur, etymologically meaning, in Mongolian, "the Nature Lake") is a rift lake in Russia, located in southern Siberia, between Irkutsk Oblast to the northwest and the Buryat Republic to the southeast.

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Lake Bant tern colony

The Lake Bant tern colony is a breeding colony of common terns (Sterna hirundo) at Lake Bant (Banter See in German) in the port city of Wilhelmshaven, north-western Germany.

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Laridae

Laridae is a family of seabirds in the order Charadriiformes that includes the gulls, terns and skimmers.

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Larva

A larva (plural: larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults.

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Las Aves archipelago

The Las Aves Archipelago is a pristine archipelago in the Caribbean Sea, and is part of the Federal Dependencies of Venezuela.

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Laughing gull

The laughing gull (Leucophaeus atricilla) is a medium-sized gull of North and South America.

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Least-concern species

A least concern (LC) species is a species which has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated but not qualified for any other category.

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Leech

Leeches are segmented parasitic or predatory worm-like animals that belong to the phylum Annelida and comprise the subclass Hirudinea.

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Ligula intestinalis

Ligula intestinalis is a tapeworm of fish, fish-eating birds and copepods, with species from each group featuring in its complex life cycle.

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Los Roques archipelago

Los Roques archipelago is a federal dependency of Venezuela consisting of approximately 350 islands, cays, and islets in a total area of 40.61 square kilometers.

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Louse

Louse (plural: lice) is the common name for members of the order Phthiraptera, which contains nearly 5,000 species of wingless insect.

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Madeira

Madeira is a Portuguese archipelago situated in the north Atlantic Ocean, southwest of Portugal.

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Merlin (bird)

The Merlin (Falco columbarius) is a small species of falcon from the Northern Hemisphere, with numerous subspecies throughout North America and Eurasia.

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Migratory Bird Treaty Act of 1918

The Migratory Bird Treaty Act of 1918 (MBTA), codified at (although §709 is omitted), is a United States federal law, first enacted in 1916 to implement the convention for the protection of migratory birds between the United States and Great Britain (acting on behalf of Canada).

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Mite

Mites are small arthropods belonging to the class Arachnida and the subclass Acari (also known as Acarina).

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Mollusca

Mollusca is a large phylum of invertebrate animals whose members are known as molluscs or mollusksThe formerly dominant spelling mollusk is still used in the U.S. — see the reasons given in Gary Rosenberg's.

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Moth

Moths comprise a group of insects related to butterflies, belonging to the order Lepidoptera.

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Moulting

In biology, moulting (British English), or molting (American English), also known as sloughing, shedding, or in many invertebrates, ecdysis, is the manner in which an animal routinely casts off a part of its body (often, but not always, an outer layer or covering), either at specific times of the year, or at specific points in its life cycle.

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Muskrat

The muskrat (Ondatra zibethicus), the only species in genus Ondatra and tribe Ondatrini, is a medium-sized semiaquatic rodent native to North America and is an introduced species in parts of Europe, Asia, and South America.

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Nape

The nape is the back of the neck.

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Nocturnality

Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day.

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North Carolina

North Carolina is a U.S. state in the southeastern region of the United States.

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Old English

Old English (Ænglisc, Anglisc, Englisc), or Anglo-Saxon, is the earliest historical form of the English language, spoken in England and southern and eastern Scotland in the early Middle Ages.

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Onomatopoeia

An onomatopoeia (from the Greek ὀνοματοποιία; ὄνομα for "name" and ποιέω for "I make", adjectival form: "onomatopoeic" or "onomatopoetic") is a word that phonetically imitates, resembles or suggests the sound that it describes.

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Owl

Owls are birds from the order Strigiformes, which includes about 200 species of mostly solitary and nocturnal birds of prey typified by an upright stance, a large, broad head, binocular vision, binaural hearing, sharp talons, and feathers adapted for silent flight.

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Pacific Ocean

The Pacific Ocean is the largest and deepest of Earth's oceanic divisions.

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Pellet (ornithology)

A pellet, in ornithology, is the mass of undigested parts of a bird's food that some bird species occasionally regurgitate.

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Peregrine falcon

The peregrine falcon (Falco peregrinus), also known as the peregrine, and historically as the duck hawk in North America, is a widespread bird of prey (raptor) in the family Falconidae.

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Persian Gulf

The Persian Gulf (lit), (الخليج الفارسي) is a mediterranean sea in Western Asia.

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Petr Sushkin

Petr Petrovich Sushkin (Петр Петрович Сушкин; 27 January 1868 – 17 September 1928) was a Russian ornithologist.

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Phytoplankton

Phytoplankton are the autotrophic (self-feeding) components of the plankton community and a key part of oceans, seas and freshwater basin ecosystems.

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Pigment

A pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption.

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Plasticine

Plasticine, a brand of modelling clay, is a putty-like modelling material made from calcium salts, petroleum jelly and aliphatic acids.

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Plumage

Plumage ("feather") refers both to the layer of feathers that cover a bird and the pattern, colour, and arrangement of those feathers.

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Polychlorinated biphenyl

A polychlorinated biphenyl (PCB) is an organic chlorine compound with the formula C12H10−xClx.

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Polynesia

Polynesia (from πολύς polys "many" and νῆσος nēsos "island") is a subregion of Oceania, made up of more than 1,000 islands scattered over the central and southern Pacific Ocean.

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Prawn

Prawn is a common name for small aquatic crustaceans with an exoskeleton and ten legs (i.e. a member of the order decapoda), some of which can be eaten.

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Precocial

In biology, precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching.

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Predatory fish

Predatory fish are fish that prey upon other fish or animals.

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Prolactin

Prolactin (PRL), also known as luteotropic hormone or luteotropin, is a protein that is best known for its role in enabling mammals, usually females, to produce milk.

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Psittacosis

Psittacosis—also known as parrot fever, and ornithosis—is a zoonotic infectious disease caused by a bacterium called Chlamydia psittaci and contracted from infected parrots, such as macaws, cockatiels and budgerigars, and pigeons, sparrows, ducks, hens, gulls and many other species of bird.

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Rat

Rats are various medium-sized, long-tailed rodents in the superfamily Muroidea.

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Red fox

The red fox (Vulpes vulpes) is the largest of the true foxes and one of the most widely distributed members of the order Carnivora, being present across the entire Northern Hemisphere from the Arctic Circle to North Africa, North America and Eurasia.

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Reighardia sternae

Reighardia sternae, also known as the larid pentastome, is a small internal parasitic crustacean.

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Retina

The retina is the innermost, light-sensitive "coat", or layer, of shell tissue of the eye of most vertebrates and some molluscs.

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Rocky Mountains

The Rocky Mountains, also known as the Rockies, are a major mountain range in western North America.

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Roseate tern

The roseate tern (Sterna dougallii) is a tern in the family Laridae.

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Royal Society for the Protection of Birds

The Royal Society for the Protection of Birds (RSPB) is a charitable organisation registered in England and Wales and in Scotland.

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Ruddy turnstone

The ruddy turnstone (Arenaria interpres) is a small wading bird, one of two species of turnstone in the genus Arenaria.

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Salt marsh

A salt marsh or saltmarsh, also known as a coastal salt marsh or a tidal marsh, is a coastal ecosystem in the upper coastal intertidal zone between land and open saltwater or brackish water that is regularly flooded by the tides.

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Sandwich tern

The Sandwich tern (Thalasseus sandvicensis) is a tern in the family Laridae.

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Sardine

"Sardine" and "pilchard" are common names used to refer to various small, oily fish in the herring family Clupeidae.

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Schistocephalus

Schistocephalus is a genus of tapeworm of fish, fish-eating birds and rodents.

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Scotland

Scotland (Alba) is a country that is part of the United Kingdom and covers the northern third of the island of Great Britain.

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Scots language

Scots is the Germanic language variety spoken in Lowland Scotland and parts of Ulster (where the local dialect is known as Ulster Scots).

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Seabird

Seabirds (also known as marine birds) are birds that are adapted to life within the marine environment.

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Shingle beach

A shingle beach (also referred to as rocky beach or pebble beach) is a beach which is armoured with pebbles or small- to medium-sized cobbles (as opposed to fine sand).

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Short-eared owl

The short-eared owl (Asio flammeus) is a species of typical owl (family Strigidae).

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Shrimp

The term shrimp is used to refer to some decapod crustaceans, although the exact animals covered can vary.

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Siberia

Siberia (a) is an extensive geographical region, and by the broadest definition is also known as North Asia.

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Sibling

A sibling is one of two or more individuals having one or both parents in common.

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Skimmer

The skimmers, forming the genus Rynchops, are tern-like birds in the family Laridae.

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Skua

The skuas are a group of seabirds with about seven species forming the family Stercorariidae and the genus Stercorarius.

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South American tern

The South American tern (Sterna hirundinacea) is a species of tern found in coastal regions of southern South America, including the Falkland Islands, ranging north to Peru (Pacific coast) and Brazil (Atlantic coast).

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Spotted sandpiper

The spotted sandpiper (Actitis macularius) is a small shorebird, long.

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Squid

Squid are cephalopods of the two orders Myopsida and Oegopsida, which were formerly regarded as two suborders of the order Teuthida, however recent research shows Teuthida to be paraphyletic.

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Stewart Island

Stewart Island/Rakiura (commonly called Stewart Island) is the third-largest island of New Zealand.

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Subarctic

The subarctic is a region in the Northern Hemisphere immediately south of the true Arctic and covering much of Alaska, Canada, Iceland, the north of Scandinavia, Siberia, and the Shetland Islands.

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Subspecies

In biological classification, the term subspecies refers to a unity of populations of a species living in a subdivision of the species’s global range and varies from other populations of the same species by morphological characteristics.

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Subtropics

The subtropics are geographic and climate zones located roughly between the tropics at latitude 23.5° (the Tropic of Cancer and Tropic of Capricorn) and temperate zones (normally referring to latitudes 35–66.5°) north and south of the Equator.

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Swallow

The swallows and martins, or Hirundinidae, are a family of passerine birds found around the world on all continents except Antarctica.

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Sympatry

In biology, two species or populations are considered sympatric when they exist in the same geographic area and thus frequently encounter one another.

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Taiga

Taiga (p; from Turkic), also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces and larches.

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Temperate climate

In geography, the temperate or tepid climates of Earth occur in the middle latitudes, which span between the tropics and the polar regions of Earth.

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The Birds of the Western Palearctic

The Birds of the Western Palearctic (full title Handbook of the Birds of Europe, the Middle East, and North Africa: The Birds of the Western Palearctic; often referred to by the initials BWP) is a nine-volume ornithological handbook covering the birds of the western portion of the Palearctic zoogeographical region.

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The Seafarer (poem)

The Seafarer is an Old English poem giving a first-person account of a man alone on the sea.

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Tibet

Tibet is a historical region covering much of the Tibetan Plateau in Central Asia.

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Tropics

The tropics are a region of the Earth surrounding the Equator.

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Ultraviolet

Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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Wader

Waders are birds commonly found along shorelines and mudflats that wade in order to forage for food (such as insects or crustaceans) in the mud or sand.

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West Africa

West Africa, also called Western Africa and the West of Africa, is the westernmost region of Africa.

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White-cheeked tern

The white-cheeked tern (Sterna repressa) is a species of tern in the family Laridae.

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White-fronted tern

The white-fronted tern (Sterna striata) is the most common tern of New Zealand.

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Zostera

Zostera is a small genus of widely distributed seagrasses, commonly called marine eelgrass or simply eelgrass.

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10th edition of Systema Naturae

The 10th edition of Systema Naturae is a book written by Carl Linnaeus and published in two volumes in 1758 and 1759, which marks the starting point of zoological nomenclature.

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Redirects here:

Commic Tern, Common Tern, Siberian Common Tern, Sterna hirundo.

References

[1] https://en.wikipedia.org/wiki/Common_tern

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