- Children: are the young ones of humans and other primates.
- Cubs: are the young ones of bears, lions, tigers, wolves, and other carnivorous mammals.
- Kits: are the young ones of foxes, rabbits, skunks, and other small mammals.
- Hatchlings: are the young ones of birds, reptiles, and amphibians that hatch from eggs.
- Fry: are the young ones of fish.
- Calves: are the young ones of cows, moose, elephants, and other ungulates.
- Foals: are the young ones of horses and donkeys.
- Lambs: are the young ones of sheep.
- Kids: are the young ones of goats.
- Piglets: are the young ones of pigs.