Animals
Articles about animal species, behavior and classification.
Turbot
Turbot (Scophthalmus maximus): Ecology, Distribution, and Culinary Value
Turdidae
Turdidae: the thrushes (passerine songbirds)
Turkey (bird)
Turkey vulture
Turkish Angora
Turkish Angora: origin, characteristics, and distinctions
Turkish Van
Turkish Van (cat breed): origin, appearance, behavior and care
Turquoise-browed motmot
Turquoise-browed motmot (Eumomota superciliosa): description, range and significance
Turtle
Turtle (Testudines): Anatomy, Evolution, Habitats and Conservation
Turtles (order Testudines) are shelled reptiles found in marine, freshwater and terrestrial habitats. This article covers their anatomy, evolution, diversity, ecology and conservat
Tusk
Tusk: form, function, and conservation of elongated teeth
Tweety
Tweety (Tweety Bird) — Looney Tunes canary
Twelve-wired bird-of-paradise
Twelve-wired bird‑of‑paradise (Seleucidis melanoleucus)
Tylosaurus
Tylototriton verrucosus
Tyranni
Tyranni (Suboscines): a concise overview of the suborder
Tyrannosauridae
Tyrannosauridae: the late Cretaceous large-bodied theropods
Tyrannosaurus
Tyrannosaurus (tyrant lizard)
Tyrannosaurus, best known for T. rex, was a large bipedal carnivorous theropod of the Late Cretaceous, noted for its massive skull, powerful bite, debated hunting behavior, and pro
Tyrant flycatcher
Tytonidae
Tytonidae — the barn-owl family
Uakari
Uakari (genus Cacajao): red-faced New World monkeys of the Amazon
Udanoceratops
Unenlagia
Unenlagia: a bird-like theropod from the mid-Cretaceous
Ungulate
Ungulate: Hoofed Mammals — Definition, Biology, and Evolution
Upland buzzard
Upland buzzard (Buteo hemilasius)
Urial
Urial (Ovis orientalis vignei): wild sheep of western Central Asia
Ursus (genus)
Utahraptor
Utahraptor — large dromaeosaurid predator
Utatsusaurus
Utatsusaurus: an early ichthyopterygian from the Lower Triassic
Valdosaurus
Valdosaurus: Early Cretaceous bipedal herbivorous dinosaur
Valvatida
Valvatida: the diverse order of sea stars
Vampire bat
Vampire squid
Vampyromorphida
Vangunu giant rat
Vaquita
Vaquita (Phocoena sinus): the critically endangered porpoise of the Gulf of California
Varanidae
Varanidae: the monitor lizard family
Vegavis
Vegavis — a Cretaceous bird linking modern waterfowl to Mesozoic avifauna
Velafrons
Velafrons — a hadrosaurid dinosaur from Mexico
Velociraptor
Velociraptor — Late Cretaceous dromaeosaurid (genus)
Velocisaurus
Velocisaurus — a small cursorial theropod from Patagonia
Velvet worm
Velvet worms (Onychophora): biology, distribution and evolutionary importance
Veneridae
Veneridae — the Venus clams: biology, distribution, and human uses
Venomous snake
Vervet monkey
Vervet monkey (Chlorocebus pygerythrus): appearance, behavior and distribution
Viceroy (butterfly)
Vicuña
Vicuña: the wild Andean camelid and its wool
Viper
Viper (family Viperidae)
Viperinae
Viperinae (Old World vipers)