The best animals

1, the largest bird in the world: elephant bird.

Elephant bird is considered to be the largest bird that ever existed in the world. It once lived in Madagascar. It is more than three meters high and weighs half a ton. Elephant bird is a huge flightless bird, which lives in Madagascar, but it has strong legs and died out at least before17th century.

The smallest bird in the world is a bee-sucking bird.

Hummingbird is one of the smallest birds in the world and the smallest warm-blooded animal in the world. The body length is about 5.6~6.5 cm, including the length of the mouth and tail feathers (usually the mouth and tail feathers will account for 1/2 of the total length). It is smaller than flies and less thick than bumblebees. The average weight is only 2 grams, which is lighter than coins, and the egg weighs 0.2 grams, which is similar to peas. Beak as thin as a needle, tongue as thin as a thread.

3. What is the fastest bird in the world? A sharp-tailed swift?

Swift with a pointed tail has long wings and short feet. After landing, its wings are folded, and its tip is longer than its tail. The beak is short but wide, and it flies most of the time. Often preys on airborne insects, with long wings and weak legs and feet. The sharp-tailed swift is a medium-sized aerial bird. It is usually smoky brown, but now it seems to turn black when flying in the sky. Having sickle-shaped wings and short feathers. Distributed in the east and south of England.

4. The smallest snake in the world: the hooked snake.

Hook-eyed snakes, also known as ear snakes, are non-toxic species under the Crocodile family, mainly distributed in Africa and Asia, but now the distribution of hook-eyed snakes has expanded to all parts of the world. Hook-blind snake is a kind of snake that lives in underground caves. Because of its small size and good at digging holes, it is often mistaken for earthworms.

5. The biggest fish in the world: whale shark?

Whale shark, a shark of the genus Whale shark in the family Whale Shark. Whale sharks are only 1 family, 1 genus and 1 species. With a huge body and a total length of 20 meters, it is the largest fish in the world. Light spots and criss-crossing light bands are scattered on the body surface, like a chessboard. The nose is located on both sides of the upper lip and appears in the mouth. Teeth are many and small, arranged in rows.

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