the animals of a particular geological period or region

动物群, 动物
(of animals and plants) found and developed only in a particular place and not been brought from elsewhere

本土的,土著的
a member of the dog family, including domestic dogs, wolves, foxes, and related animals

犬, 狗
any animal in the cat family

猫科动物, 猫
species that do not possess or cannot develop a spinal column, such as an arthropod, mollusk, etc.

无脊椎动物, 无脊椎的生物
any cold-blooded animal with the ability to live both on land and in water, such as toads, frogs, etc.

两栖动物, amphibian
the hard outer covering that supports the body of an animal, such as an arthropod

外骨骼, 外壳
an invertebrate animal with a segmented body and a chitinous exoskeleton, such as a spider, crab, etc.

节肢动物, 节肢类
any cold-blooded animal of the class Reptilia that breathes air and is a vertebrate, such as snakes, frogs, etc.

爬行动物, 爬虫类动物
any invertebrate that lives in aquatic or damp habitats and has a soft unsegmented body, often covered with a shell

软体动物, 贝壳
small animals or insects that are believed to be destructive and are difficult to handle when they appear in a considerable number

害虫, 害兽
an animal that feeds on the flesh of other animals

食肉动物, 肉食性动物
any animal that only feeds on plants

草食动物
an animal or person that feeds on a wide range of both plants and meat

杂食动物, 一种以广泛植物和肉类为食的动物或人
to control the population of a wild animal, particularly by killing weak or sick ones

淘汰, 控制
(of an animal) to have sex and give birth to young

繁殖, 生育
(of an animal) fit to live with people and not afraid of them

驯服的, 温顺的
(of wild animals) living by preying on other animals, especially live animals

捕食性的, 食肉的
to remove the sexual organs of a female animal, called ovaries

绝育, 阉割
to blend in with the surroundings to avoid being seen or detected

伪装, 融入
a female horse that is kept for breeding

繁殖母马, 种母马
a male deer, rabbit, or antelope

雄鹿, 雄性(鹿、兔子或羚羊的)
a hole that an animal digs in the ground to use as a shelter

洞穴, 地洞
the hidden place where a wild predatory animal lives

巢穴, 兽穴
to make low crying sounds out of fear, pain or sadness

呜咽, 啜泣
a domesticated bird that is particularly kept for its meat and eggs

家禽, 鸟
an animal that has recently come out of its shell

刚孵出的动物, 雏鸟
to keep an egg in a favorable condition to help it develop until it hatches

孵化, 培育
(of some animals or plants) to spend the winter sleeping deeply

冬眠, 在深睡中度过冬天
(of sheep, cows, etc.) to feed on the grass in a field

吃草, 放牧
(of a bird) to move the beak in a sudden movement and bite something

啄, 啄食
to move smoothly and quietly, like a snake

滑行, 爬行
to make a short high sound characteristic of a bird

鸣叫, 啁啾
(of horses) to move quite fast, but not yet as fast as possible

慢跑, 小跑
any of the long, stiff hairs that grow on the face of a cat, mouse, etc.

胡须, 触须
the projecting part of the face of some animals such as dogs and horses that includes their jaws and noses

口鼻部, 吻部
a long, pointed tooth found in carnivorous animals, used for biting, gripping, and tearing flesh

尖牙, 獠牙
each of the curved pointy teeth of some animals such as elephants, boars, etc., especially one that stands out from the closed mouth

獠牙, 长牙
the feathers of a bird covering its body

羽毛, 羽衣
a prominent feature exhibited by some birds on their heads, consisting of feathers, fur, or skin

冠, 羽冠
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