Here are different animals that start with the letter U.
Uaru Cichlid
Uguisu
Uinta Ground Squirrel
Uintatherium
Ulysses Butterfly
Umbrellabird
Unau (Linnaeus’s Two-Toed Sloth)
Underwing Moth
Unicornfish
Upland Sandpiper
Ural owl
Urechis unicinctus (Penis Fish)
Urial
Uromastyx (Spiny-Tailed Lizard)
Uroplatus Gecko
Ursine Colugo
Urutu Snake
Ussuri Brown Bear
Utonagan