Yabby
Yak
Yakutian Laika
Yarara
Yellow Anaconda
Yellow Aphids
Yellow Bass
Yellow Bellied Sapsucker
Yellow Belly Ball Python
Yellow Bullhead: Adaptable American Catfish
Yellow Cobra
Yellow Crazy Ant
Yellow Perch
Yellow Sac Spider
Yellow Spotted Lizard
Yellow Tanager (Black-and-Yellow Tanager)
Yellow Tang
Yellow-Bellied Sea Snake
Yellow-Eyed Penguin
Yellow-faced Bee
Yellowfin Tuna
Yellowhammer
Yellowish Cuckoo Bumblebee (formerly Fernald’s Cuckoo Bumblebee)
Yellowjacket (Yellow Jacket)
Yellowtail Snapper
Yellowthroat
Yeti Crab
Yokohama Chicken
Yoranian
Yorkie Bichon
Yorkiepoo
Yorkshire Terrier