a very young mammal at an early stage of development

婴儿, 幼崽
a young animal, especially a fox, rabbit, mink, or other fur-bearing mammal

幼崽, 小狐狸
an animal that has recently come out of its shell

刚孵出的动物, 雏鸟
a young frog, which has recently developed from a tadpole

小青蛙, 刚从蝌蚪发育而来的青蛙
a young kangaroo

小袋鼠, 年轻的袋鼠
a young sheep, especially one that is under one year

羔羊, 小羊
the young offspring of a cow or bull, typically less than one year old

小牛, 犊牛
a female red deer, especially one that is over three years old

雌马鹿, 尤指三岁以上的雌性马鹿
a horse that is female and young, particularly one that is younger than four

小母马, 年轻的母马
a young oyster or other bivalve that has recently settled and attached itself to a surface in its natural habitat

幼蚝, 刚附着的牡蛎
an amphibian in the larval stage

蝌蚪, 青蛙的幼虫
a newly-hatched swan

小天鹅, 幼天鹅
a young bird that has recently acquired its flight feathers and is learning to fly

雏鸟, 幼鸟
a young male horse under the age of four which is not castrated

小马, 年轻的公马
a juvenile bird of the peafowl species

孔雀雏鸟, 幼孔雀
a small domestic chicken or duck

矮脚鸡, 小鸭
a bird that is too young to leave the nest built by its parents, especially one that has not yet learned how to fly

雏鸟, 幼鸟
a recently born organism, especially a newborn baby or an animal

新生儿, 初生儿
a small and young eel

小鳗鱼, 幼鳗
a young dog, especially one that is less than a year old

小狗, 幼犬
a young form of an insect or an animal that has come out of the egg but has not yet developed into an adult

幼虫
a young carnivorous mammal, such as a bear, lion, fox, etc.

幼兽, 幼崽
a young pigeon or dove that is still in the nest and not yet able to fly

幼鸽, 幼鸽
a young pig, especially one that has been weaned from its mother but is not yet mature

小猪, 幼猪
a juvenile newt or a terrestrial stage of a newt's life cycle

幼年蝾螈, 蝾螈生命周期的陆地阶段
a soft and legless larva of a dipterous insect, such as a housefly, which could be found in decaying organic matter

蛆, 幼虫
an amphibian in larval stage; a tadpole

蝌蚪, 青蛙的幼虫
a young falcon that has not yet fledged and is still in the nest

幼鹰, 尚未离巢的年轻猎鹰
a young animal, usually a horse or a deer, that is between one and two years old

一岁崽, 一至两岁的幼兽
the aquatic or terrestrial larval stage of an insect that undergoes incomplete metamorphosis, such as a dragonfly or mayfly

若虫, 水生幼虫
a young lamb, usually less than a year old

小羊, 羔羊
a young hare or rabbit that is less than a year old and has not yet developed its full growth

小野兔, 幼兔
a young horse, especially one that is not older than one year

小马, 幼马
a tiny animal, typically visible only under a microscope

微小动物, 微生物
a newly-hatched bird, especially a domestic bird

小鸡, 雏鸟
a young deer, typically in its first year of life

小鹿, 幼鹿
a young or small codfish

小鳕鱼, 幼鳕鱼
a young offspring of a dog, wolf, or certain other carnivorous mammals

小狗, 小狼
a small, juvenile fish that is typically between the length of 1 and 4 inches

鱼苗, 小鱼
a juvenile herring, sprat or other small fish typically less than six inches long

小鲱鱼, 幼鲱
a juvenile salmon or trout that has developed a pattern of dark vertical bars on its sides

幼鲑, 幼年鲑鱼或鳟鱼
