heifer小母牛;

chick/chicken小鸡;

pony/colt小马;

cygnet小天鹅;

duckling小鸭;

gosling小鹅;

kitten/kitty小猫;

doggie/puppy小狗;

lamb小羊羔;

leveret小野兔;

piglet小猪;

fawn幼鹿;

fledgling/birdie幼鸟;

cub野兽幼仔;

larva昆虫幼虫