Encyclopedia of animal names

Tigers, wolves, mice, deer, mink, monkeys, tapirs, sloths.

Zebras, dogs, foxes and bears are like leopards, musk oxen and lions.

Red panda warthog antelope reindeer koala rhinoceros lynx pangolin

2. Fish

Arowana, pond fish, catfish, shark, octopus, stickleback, herring, salamander.

Misgurnus anguillicaudatus, trout, koi fish, angelfish, eel, tropical fish, flounder.

Tigers, tigers, crocodiles, bass, rays, carp, herring, tuna, deep-sea fish.

3. Birds

Eagles, herons, geese, penguins, hornbills, seagulls and storks.

Grouse, boobies, parrots, mandarin ducks, woodpeckers, owls and ostriches.

Kingfisher swan hummingbird albatross crane gull

4. Amphibian sea lion sea turtle lizard sea turtle toad giant salamander

5. Insects

Butterfly dragonfly scorpion trematode coral ciliate? Tapeworm? The Salamander

Earthworms, carnivores, barnacles, Daphnia, leeches, crickets, centipedes and locusts.

Extended data:

1, the physical characteristics of mammals are:

First of all, their skin is generally thicker than that of other vertebrates and consists of epidermis and dermis.

Second, mammals have regenerated teeth in their mouths.

Third, all mammals are viviparous except the monotremes.

Fourth, mammals have a highly developed nervous system, and the brain is much more developed than other vertebrates, with 12 pairs of cranial nerves. In addition, the breast-feeding heart is divided into two ears and two ventricles; There are red blood cells, but no nucleus.

2. The characteristics of social behavior are: certain organizations often form groups; Clear division of labor among members; There is also a strict hierarchy. For example, in the group life of baboons, the "leader" is the male baboon with priority, and other members obey him.

References:

Baidu encyclopedia-mammals