Talk about the good names of animals.

Frogs are called "pastoral guardians"; Camels are called "ships in the desert"; The white dove is known as the "messenger of peace"; Woodpeckers are called "forest doctors"; Owls are called "rat catchers".

1. Frogs belong to chordates, amphibians, Anura and Ranidae. Adults are tailless, eggs are laid in water, fertilized in vitro, hatched into tadpoles, and breathed through gills. After the mutation, adults mainly breathe through the lungs and skin.

The upper jaw has teeth, usually plow teeth. Shoulder straps fix the chest, the vertebral body is uneven, and the transverse process of sacrum is columnar; There is no mesenchymal cartilage between the two joints at the toe. The eardrum is obviously hidden under the skin, and the skin is smooth or warty. Tongue is generally oval, and there are many notches at the back end. ?

2. Camels are mammals called "ships in the desert". Small head, thick and long neck, bent like a goose neck. Tall, with brown hair. Desperate. Camels can live for two weeks without water and for a month without food. Fat is stored in the hump. Without food, it can be decomposed into nutrients needed by the body for camels to survive.

Pigeons, pigeons used to be the main means of transportation to transmit information, unlike mobile phones, fax machines and other machines. In this way, pigeons have become a bridge for people to communicate. In people's hopes, everyone hopes that good things will always accompany them. Pigeons that send messages therefore carry many people's wishes.

Woodpecker is a famous forest bird. In addition to killing the pests under the bark, the chisel marks can also be used as an indicator of healthy logging in the forest. They feed on some pests, such as longicorn beetles, brown beetles, winged moths, smelly bedbugs, etc., and can eat about 1500 every day.

5. Owls, totaling 130. It is distributed on all continents except Antarctica. Most species are nocturnal carnivores. Their food is mainly rodents, but there are also insects, birds, lizards, fish and other animals.