Animals (common in North America)
bird
chick / hatchling
birds
a flock of birds
bear
cub
bears
buffalo
calf
a herd of buffalo
cat
kitten
cats
cow
cows / cattle
a herd of cattle
deer
fawn
a herd of deer
dog
puppy
dogs
a pack of dogs
duck
duckling
ducks
a flock of ducks
fish
fry
a school of fish
fox
pup / kit
foxes
frog
tadpole
frogs
goat
kid
goats
a herd or a tribe of goats
goose
gosling
geese
a flock of geese
horse
foal
horses
a herd of horses
moose
a herd of moose
mouse
baby mouse
mice
pig
piglet
pigs
rabbit
baby rabbit / bunny / kit
rabbits
rat
baby rat
rats
sheep
lamb
a flock of sheep
snake
baby snake
snakes
a nest of snakes
squirrel
baby squirrel
squirrels
turkey
baby turkey / poult
turkeys
a flock of turkeys
wolf
pup
wolves
a pack of wolves