Trilophosuchus

Tristan moorhen

Birds

Trumpeter finch

Tylosurus acus

Fish

Umbrina ronchus

Uraspis helvola

Usambara akalat

Ursus rossicus

Usambara weaver

Birds

Vipera ursinii (Çayır engereği)

Reptile

Waved albatross

Birds

Western citril

Birds

Weyns's duiker

Animal

White sturgeon

Fish

White steenbras

Fish

White-eye bream

Xenocys jessiae

Yellow bullhead

Fish

Yellowfin sole

Fish

Yellow cardinal

Birds

Yellow seahorse (Hippocampus Kuda)

Fish

Zalambdalestes

Zenarchopterus

Fish

Zebra seahorse

Fish

Acadian redfish

Fish

Acorn woodpecker

Birds

African arowana

African finfoot

Akodon sylvanus

Rodent

Allodontichthys

Amethyst sunbird

Birds

Amsterdam wigeon

Andover lionfish

Fish

Andean flamingo

Anjouan sunbird

Birds

Aprasia inaurita

Arc-eye hawkfish

Fish

Arctic flounder

Armored searobin

Fish

Atheris nitschei

Reptile

Atlantic halibut (Atlantik Tütün Balığı)

Fish

Australian smelt

Baldchin groper

Fish

Banded whiptail

Fish

Bar-tailed lark

Birds

Barilius shacra

Fish

Barilius barila

Fish

Barbourofelidae

Animal