a class of animals to which humans, cows, lions, etc. belong, have warm blood, fur or hair and typically produce milk to feed their young
哺乳類
any cold-blooded animal with the ability to live both on land and in water, such as toads, frogs, etc.
両生類
any of the order of mammals that carry their young babies in a pouch, such as kangaroos, found either in Australia or Americas
有袋類
a class of terrestrial arthropods that breathe air and have four pairs of limbs, such as spiders, scorpions, etc.
節足動物
a small creature such as a bee or ant that has six legs, and generally one or two pairs of wings
昆虫
a class of animals to which crocodiles, lizards, etc. belong, characterized by having cold blood and scaly skin
爬虫類
any small mammal with a pair of strong front teeth, such as mice, hamsters, rats, etc.
齧歯類
any of the mammals that are categorized by thick skin and large hooves, such as elephants, rhinoceroses and hippopotami
厚皮類
any bottom-dwelling marine fish with a flat body, a color similar to the seabed and both eyes on the upper side of the body
平たい魚
a strong mammal used for carrying heavy loads, also known as a beast of burden
荷物運搬用の動物
any tropical bird, the male of which is colorful and displays unique courtship skills, originated in Papua New Guinea and Australia
極楽鳥
any bird that migrates regularly from a region to another in different seasons of the year
small animals or insects that are believed to be destructive and are difficult to handle when they appear in a considerable number
害虫
an invertebrate animal with a segmented body and a chitinous exoskeleton, such as a spider, crab, etc.
節足動物
species that do not possess or cannot develop a spinal column, such as an arthropod, mollusk, etc.
無脊椎動物
a large group of animals characterized by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes
脊椎動物
(of wild animals) living by preying on other animals, especially live animals
捕食的な
a group of mammals, including cows, buffalo, bison, and antelopes, that are characterized by cloven hooves and ruminant digestion
ウシ科の
a quadruped mammal with a slender build and curved horns that is native to Africa or Eurasia
アンテロープ
any mammalian animal that belongs to the same group as humans, such as monkeys, apes, lemurs, etc.
霊長類
a quadruped mammal that is herbivorous and has a complex digestive system from which it can bring the food back to its mouth and chew it again
反芻動物
an organism, typically an insect or a tick, that transmits a pathogen or parasite from one host to another
ベクター
a type of marine invertebrate that can change its shape and form through a process called polymorphism
ポリモルフ
an animal, typically an insect or a bird, that transfers pollen from one flower to another
受粉者
any invertebrate that lives in aquatic or damp habitats and has a soft unsegmented body, often covered with a shell
軟体動物
a type of mollusk with a single, usually spirally coiled shell, a muscular foot, and a head with sensory tentacles and a mouth
腹足類
a fish that can not survive in salty waters and usually lives in lakes or rivers
淡水魚
a fish that can survive in salty water and lives in oceans, also known as marine fish
塩水魚