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Tapetum lucidum

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The tapetum lucidum (Latin: "bright tapestry; coverlet", plural tapeta lucida) is a layer of tissue in the eye of many vertebrates. [1]

99 relations: Anomalopidae, Anti-predator adaptation, Antimalarial medication, Aye-aye, Batoidea, Bioluminescence, Bird, Blue, Boat-billed heron, Brownsnout spookfish, Cancer, Carnivore, Cat, Cat's eye (road), Cataract, Cattle, Cetacea, Chelation, Chimaera, Choroid, Color, Coyote, Crocodile, Deep sea, Dithizone, Diurnality, Dog, Elasmobranchii, Emission theory (vision), Ethambutol, Eye, Eye color, Field of view, Flash (photography), Fundus (eye), Goat, Green, Guanine, Heterochromia iridum, Horse, Infrared photography, Iridescence, Jumping spider, Kakapo, Kiwi, Latin, Leukocoria, Light, Line-of-sight propagation, Macrolide, ..., Marsupial, Megabat, Mesothelae, Mounted search and rescue, Mygalomorphae, Night vision, Nightjar, Nocturnality, Nursery web spider, Odd-eyed cat, Opossum, Orb-weaver spider, Owl, Photograph, Photoreceptor cell, Pink, Pupil, Raccoon, Raised pavement marker, Red, Red-eye effect, Reflection (physics), Retina, Retinal pigment epithelium, Retroreflector, Rodent, Ruminant, Search and rescue dog, Shark, Sheep, Skate (fish), Spider, Sportive lemur, Stomiidae, Stone-curlew, Strepsirrhini, Swallow-tailed gull, Taxonomy (biology), Teleost, Theridiidae, Thin-film optics, Tiger, True lemur, Vertebrate, Walleye, Wave interference, White, Wolf spider, Yellow. Expand index (49 more) »

Anomalopidae

Anomalopidae (lanterneye fishes or flashlight fishes) are a family of beryciform fish distinguished by bioluminescent organs located underneath their eyes, for which they are named.

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Anti-predator adaptation

Anti-predator adaptations are mechanisms developed through evolution that assist prey organisms in their constant struggle against predators.

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Antimalarial medication

Antimalarial medications, also known as antimalarials, are designed to prevent or cure malaria.

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Aye-aye

The aye-aye (Daubentonia madagascariensis) is a lemur, a strepsirrhine primate native to Madagascar that combines rodent-like teeth that perpetually grow and a special thin middle finger.

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Batoidea

Batoidea is a superorder of cartilaginous fish commonly known as rays.

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Bioluminescence

Bioluminescence is the production and emission of light by a living organism.

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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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Blue

Blue is one of the three primary colours of pigments in painting and traditional colour theory, as well as in the RGB colour model.

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Boat-billed heron

The boat-billed heron (Cochlearius cochlearius), colloquially known as the boatbill, is an atypical member of the heron family, and was formerly thought to be in a monotypic family, Cochlearidae.

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Brownsnout spookfish

The brownsnout spookfish (Dolichopteryx longipes) is a species of barreleye in the family Opisthoproctidae.

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Cancer

Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.

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Carnivore

A carnivore, meaning "meat eater" (Latin, caro, genitive carnis, meaning "meat" or "flesh" and vorare meaning "to devour"), is an organism that derives its energy and nutrient requirements from a diet consisting mainly or exclusively of animal tissue, whether through predation or scavenging.

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Cat

The domestic cat (Felis silvestris catus or Felis catus) is a small, typically furry, carnivorous mammal.

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Cat's eye (road)

A cat's eye is a retroreflective safety device used in road marking and was the first of a range of raised pavement markers.

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Cataract

A cataract is a clouding of the lens in the eye which leads to a decrease in vision.

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Cattle

Cattle—colloquially cows—are the most common type of large domesticated ungulates.

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Cetacea

Cetacea are a widely distributed and diverse clade of aquatic mammals that today consists of the whales, dolphins, and porpoises.

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Chelation

Chelation is a type of bonding of ions and molecules to metal ions.

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Chimaera

Chimaeras the order Chimaeriformes, known informally as ghost sharks, rat fish (not to be confused with the rattails), spookfish (not to be confused with the true spookfish of the family Opisthoproctidae), or rabbit fish (not to be confused with the family Siganidae).

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Choroid

The choroid, also known as the choroidea or choroid coat, is the vascular layer of the eye, containing connective tissues, and lying between the retina and the sclera.

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Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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Color

Color (American English) or colour (Commonwealth English) is the characteristic of human visual perception described through color categories, with names such as red, orange, yellow, green, blue, or purple.

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Coyote

The coyote (Canis latrans); from Nahuatl) is a canine native to North America. It is smaller than its close relative, the gray wolf, and slightly smaller than the closely related eastern wolf and red wolf. It fills much of the same ecological niche as the golden jackal does in Eurasia, though it is larger and more predatory, and is sometimes called the American jackal by zoologists. The coyote is listed as least concern by the International Union for Conservation of Nature due to its wide distribution and abundance throughout North America, southwards through Mexico, and into Central America. The species is versatile, able to adapt to and expand into environments modified by humans. It is enlarging its range, with coyotes moving into urban areas in the Eastern U.S., and was sighted in eastern Panama (across the Panama Canal from their home range) for the first time in 2013., 19 coyote subspecies are recognized. The average male weighs and the average female. Their fur color is predominantly light gray and red or fulvous interspersed with black and white, though it varies somewhat with geography. It is highly flexible in social organization, living either in a family unit or in loosely knit packs of unrelated individuals. It has a varied diet consisting primarily of animal meat, including deer, rabbits, hares, rodents, birds, reptiles, amphibians, fish, and invertebrates, though it may also eat fruits and vegetables on occasion. Its characteristic vocalization is a howl made by solitary individuals. Humans are the coyote's greatest threat, followed by cougars and gray wolves. In spite of this, coyotes sometimes mate with gray, eastern, or red wolves, producing "coywolf" hybrids. In the northeastern United States and eastern Canada, the eastern coyote (a larger subspecies, though still smaller than wolves) is the result of various historical and recent matings with various types of wolves. Genetic studies show that most North American wolves contain some level of coyote DNA. The coyote is a prominent character in Native American folklore, mainly in the Southwestern United States and Mexico, usually depicted as a trickster that alternately assumes the form of an actual coyote or a man. As with other trickster figures, the coyote uses deception and humor to rebel against social conventions. The animal was especially respected in Mesoamerican cosmology as a symbol of military might. After the European colonization of the Americas, it was reviled in Anglo-American culture as a cowardly and untrustworthy animal. Unlike wolves (gray, eastern, or red), which have undergone an improvement of their public image, attitudes towards the coyote remain largely negative.

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Crocodile

Crocodiles (subfamily Crocodylinae) or true crocodiles are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.

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Deep sea

The deep sea or deep layer is the lowest layer in the ocean, existing below the thermocline and above the seabed, at a depth of 1000 fathoms (1800 m) or more.

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Dithizone

Dithizone is a sulfur-containing organic compound.

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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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Dog

The domestic dog (Canis lupus familiaris when considered a subspecies of the gray wolf or Canis familiaris when considered a distinct species) is a member of the genus Canis (canines), which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore.

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Elasmobranchii

Elasmobranchii is a subclass of Chondrichthyes or cartilaginous fish, including the sharks (superorder Selachii) and the rays, skates, and sawfish (superorder Batoidea).

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Emission theory (vision)

Emission theory or extramission theory (variants: extromission, extromittism) is the proposal that visual perception is accomplished by eye beams emitted by the eyes.

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Ethambutol

Ethambutol (EMB, E) is a medication primarily used to treat tuberculosis.

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Eye

Eyes are organs of the visual system.

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Eye color

Eye color is a polygenic phenotypic character determined by two distinct factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.

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Field of view

The field of view is the extent of the observable world that is seen at any given moment.

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Flash (photography)

A flash is a device used in photography producing a flash of artificial light (typically 1/1000 to 1/200 of a second) at a color temperature of about 5500 K to help illuminate a scene.

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Fundus (eye)

The fundus of the eye is the interior surface of the eye opposite the lens and includes the retina, optic disc, macula, fovea, and posterior pole.

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Goat

The domestic goat (Capra aegagrus hircus) is a subspecies of goat domesticated from the wild goat of southwest Asia and Eastern Europe.

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Green

Green is the color between blue and yellow on the visible spectrum.

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Guanine

Guanine (or G, Gua) is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA).

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Heterochromia iridum

Heterochromia is a difference in coloration, usually of the iris but also of hair or skin.

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Horse

The horse (Equus ferus caballus) is one of two extant subspecies of ''Equus ferus''.

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Infrared photography

Top: tree photographed in the near infrared range.

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Iridescence

Iridescence (also known as goniochromism) is the phenomenon of certain surfaces that appear to gradually change colour as the angle of view or the angle of illumination changes.

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Jumping spider

Jumping spiders are a group of spiders that constitute the family Salticidae.

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Kakapo

The kakapo (Māori: kākāpō) or night parrot, also called owl parrot (Strigops habroptila), is a species of large, flightless, nocturnal, ground-dwelling parrot of the super-family Strigopoidea, endemic to New Zealand.

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Kiwi

Kiwi or kiwis are flightless birds native to New Zealand, in the genus Apteryx and family Apterygidae.

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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Leukocoria

Leukocoria (also leukokoria or white pupillary reflex) is an abnormal white reflection from the retina of the eye.

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Light

Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.

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Line-of-sight propagation

Line-of-sight propagation is a characteristic of electromagnetic radiation or acoustic wave propagation which means waves travel in a direct path from the source to the receiver.

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Macrolide

The macrolides are a class of natural products that consist of a large macrocyclic lactone ring to which one or more deoxy sugars, usually cladinose and desosamine, may be attached.

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Marsupial

Marsupials are any members of the mammalian infraclass Marsupialia.

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Megabat

Megabats constitute the suborder Megachiroptera, and its only family Pteropodidae of the order Chiroptera (bats).

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Mesothelae

Mesothelae is a suborder of spiders (order Araneae) that includes a single living (extant) family, Liphistiidae, and a number of extinct families.

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Mounted search and rescue

Mounted search and rescue (MSAR) is a specialty within search and rescue (SAR), using horses as search partners and for transportation to search for missing persons.

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Mygalomorphae

The Mygalomorphae or mygalomorphs are an infraorder of spiders.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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Night vision

Night vision is the ability to see in low-light conditions.

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Nightjar

Nightjars are medium-sized nocturnal or crepuscular birds in the family Caprimulgidae, characterized by long wings, short legs and very short bills.

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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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Nursery web spider

Nursery web spiders are spiders of the family Pisauridae.

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Odd-eyed cat

An odd-eyed cat is a cat with one blue eye and one eye either green, yellow, or brown.

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Opossum

The opossum is a marsupial of the order Didelphimorphia endemic to the Americas.

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Orb-weaver spider

Orb-weaver spiders or araneids are members of the spider family Araneidae.

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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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Photograph

A photograph or photo is an image created by light falling on a light-sensitive surface, usually photographic film or an electronic medium such as a CCD or a CMOS chip.

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Photoreceptor cell

A photoreceptor cell is a specialized type of neuroepithelial cell found in the retina that is capable of visual phototransduction.

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Pink

Pink is a pale red color that is named after a flower of the same name.

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Pupil

The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina.

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Raccoon

The raccoon (or, Procyon lotor), sometimes spelled racoon, also known as the common raccoon, North American raccoon, or northern raccoon, is a medium-sized mammal native to North America.

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Raised pavement marker

A raised pavement marker is a safety device used on roads.

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Red

Red is the color at the end of the visible spectrum of light, next to orange and opposite violet.

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Red-eye effect

The red-eye effect in photography is the common appearance of red pupils in color photographs of the eyes of humans and several other animals.

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Reflection (physics)

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.

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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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Retinal pigment epithelium

The pigmented layer of retina or retinal pigment epithelium (RPE) is the pigmented cell layer just outside the neurosensory retina that nourishes retinal visual cells, and is firmly attached to the underlying choroid and overlying retinal visual cells.

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Retroreflector

A retroreflector (sometimes called a retroflector or cataphote) is a device or surface that reflects light back to its source with a minimum of scattering.

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Rodent

Rodents (from Latin rodere, "to gnaw") are mammals of the order Rodentia, which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws.

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Ruminant

Ruminants are mammals that are able to acquire nutrients from plant-based food by fermenting it in a specialized stomach prior to digestion, principally through microbial actions.

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Search and rescue dog

The use of dogs in search and rescue (SAR) is a valuable component in wilderness tracking, natural disasters, mass casualty events, and in locating missing people.

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Shark

Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.

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Sheep

Domestic sheep (Ovis aries) are quadrupedal, ruminant mammal typically kept as livestock.

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Skate (fish)

Skates are cartilaginous fish belonging to the family Rajidae in the superorder Batoidea of rays.

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Spider

Spiders (order Araneae) are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom.

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Sportive lemur

The sportive lemurs are the medium-sized primates that make up the family Lepilemuridae.

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Stomiidae

Stomiidae is a family of deep-sea ray-finned fish, including the barbeled dragonfishes.

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Stone-curlew

The stone-curlews, also known as dikkops or thick-knees, consist of nine species within the family Burhinidae, and are found throughout the tropical and temperate parts of the world, with two species found in Australia.

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Strepsirrhini

Strepsirrhini or Strepsirhini is a suborder of primates that includes the lemuriform primates, which consist of the lemurs of Madagascar, galagos, ("bushbabies") and pottos from Africa, and the lorises from India and southeast Asia.

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Swallow-tailed gull

The swallow-tailed gull (Creagrus furcatus) is an equatorial seabird in the gull family, Laridae.

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Taxonomy (biology)

Taxonomy is the science of defining and naming groups of biological organisms on the basis of shared characteristics.

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Teleost

The teleosts or Teleostei (Greek: teleios, "complete" + osteon, "bone") are by far the largest infraclass in the class Actinopterygii, the ray-finned fishes, and make up 96% of all extant species of fish.

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Theridiidae

Theridiidae is a large family of spiders, also known as the tangle-web spiders, cobweb spiders and comb-footed spiders.

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Thin-film optics

Thin-film optics is the branch of optics that deals with very thin structured layers of different materials.

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Tiger

The tiger (Panthera tigris) is the largest cat species, most recognizable for its pattern of dark vertical stripes on reddish-orange fur with a lighter underside.

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True lemur

True lemurs, also known as brown lemurs, are the lemurs in genus Eulemur.

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Vertebrate

Vertebrates comprise all species of animals within the subphylum Vertebrata (chordates with backbones).

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Walleye

Walleye (Sander vitreus, synonym Stizostedion vitreum) is a freshwater perciform fish native to most of Canada and to the Northern United States.

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Wave interference

In physics, interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude.

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White

White is the lightest color and is achromatic (having no hue), because it fully reflects and scatters all the visible wavelengths of light.

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Wolf spider

Wolf spiders are members of the family Lycosidae, from the Ancient Greek word "λύκος" meaning "wolf".

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Yellow

Yellow is the color between orange and green on the spectrum of visible light.

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2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Redirects here:

Eye shine, Eyeshine, Tapeta lucida, Tapetum lucida.

References

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

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