Animals and their Young - English Vocabulary
a young cat = kitten
a young bear, lion, tiger, or wolf = cub
a young bird = chick
a young duck = duckling
a young pig = piglet
a young horse = foal
a young deer = fawn
a young sheep = lamb
a young goat = kid
a young frog = tadpole
Images: Kabir Bakie / Dawson
a young butterfly = caterpillar
The butterfly is on top of the leaf, and the caterpillar is under it. Image: David DeHetre