Duck
Duckling
Cat
Kitten
Pidgeon or Dove
squab or squeaker
Monkey
Infant
Rhinoceros
Calf
Mosquito
wriggler
Fox
pup, cub or kit
Rabbit
kitten, kit or bunny
Dolphin
Calf
Bat
Pup
Dog
Puppy
Sheep
Lamb
Spider
Spiderling
Wolf
cub, pup or whelp
Mouse
pup or pinky
Lion
Cub
Bear
Cub
Owl
Owlet
Hippopotamus
calf
Elephant
Calf
Goat
Kid
Snake
Snakelet
Kangaroo
joey
Chicken
Chick
Frog
Tadpole or polliwog
Horse
foal, colt (male) or filly (female)
Giraffe
Calf