Babies that animals have

Cats have kittens
Dogs have puppies
Horses have foals
Sheep have lambs
Cows have calves
Pigs have piglets
Bears,wolves and lions have cubs
Tadpoles turn into frogs
Hens lay eggs from which chickens hatch(Chicks)
Caterpillars turn into butterflies

People and animals People are often compared to animals.The following can be used to describe people

Catty or bitchy - Malicious tongued -For women
Mousy - Dull, uninteresting, shy
Sheepish - Awkwardly self concious
Ratty - Bad tempered
Dogged - Stubborn
Cocky - Arrogant