Animals
Articles about animal species, behavior and classification.
Tinamou
Tinamou (Tinamidae) — ground-dwelling palaeognath birds
Tineidae
Tineidae — the clothes moths and fungus moths
Titanis
Titanis — prehistoric flightless predator of the Phorusrhacidae
Titanoboa
Titanoboa cerrejonensis — the giant Paleocene snake
Titanosaur
Titanosaurus
Titanotylopus
Titanotylopus — extinct giant camelid of North America
Togo mouse
Tonic immobility
Tonic immobility is a reflexive, temporary state of motor inhibition seen in many animals and sometimes humans; studied in behaviour, welfare and trauma contexts.
Tor putitora
Tornjak
Tornjak — Bosnian‑Croatian mountain shepherd and livestock guardian
Torosaurus
Torrent salamander
Torrent salamander (genus Rhyacotriton) — stream-adapted amphibians of the Pacific Northwest
Tortoise
Torvosaurus
Torvosaurus: the giant predator of the Late Jurassic
Tosa Inu
Toucan
Toucan: Overview, biology, behavior and conservation
Toy Fox Terrier
Toytown (horse)
Toytown (1992–2017) — British event horse ridden by Zara Phillips
Trapdoor spider
Tree frog
Tree frog: arboreal frogs, adaptations, life cycle and conservation
Tree-kangaroo
Treepie
Treepie: an overview of the arboreal corvids
Treeshrew
Triceratops
Triceratops — the three-horned Late Cretaceous ceratopsian
Trichoptera
Trichoptera (caddisflies): aquatic larvae and case-building insects
Trichromacy
Trichromacy: Three-cone Color Vision in Humans and Other Animals
Trilobite
Trilobite: an overview of the extinct marine arthropod
Trilobites were diverse, extinct marine arthropods that dominated Palaeozoic seas. Known for segmented exoskeletons and early compound eyes, they inform fossil studies of ancient m
Tritylodont
Tritylodonts: herbivorous cynodonts of the Mesozoic
Trogon
Troodon
Troodon: small, bird-like theropod of the Late Cretaceous
Troodontidae
Troodontidae: bird‑like theropods with keen senses and complex behaviour
Trout
Trout: biology, varieties, habitat, and human importance
True owl
True owls (Strigidae): overview, characteristics, distribution and ecology
True parrots
True parrots (Psittacoidea): diversity, traits and global distribution
Truebella
Truebella: a genus of Andean true toads
Trumpet manucode
Trumpet manucode (Manucodia keraudrenii)
Trumpeter swan
Trumpeter swan (Cygnus buccinator)
Tsaagan
Tsaagan — a Late Cretaceous dromaeosaurid from Mongolia
Tsetse fly
Tsetse fly (Glossina) — African blood‑feeding fly and disease vector
Tsintaosaurus
Tsintaosaurus: the crested hadrosaur from eastern Asia
Tuatara
Tuatara — the living representatives of Rhynchocephalia
Tuatara are reptile species endemic to New Zealand, sole survivors of an ancient reptile order. This article covers their appearance, anatomy, evolution, ecology, conservation and
Tukeit Hill frog
Tuna
Tuna: biology, distribution, uses, and conservation
Tunicate
Tupuxuara
Tupuxuara — crested pterosaur from the Santana Formation