World Book Trivia Challenge--9/17-know Your Animals

Whale shark is the largest living fish. It is known to reach a length of at least 40 feet (12 meters).

Echidna is a type of mammal that lays eggs. Along with the platypus, echidnas are the only surviving monotremes. Monotremes are a group of mammals that lays eggs.

Hummingbirds fly quickly. They can dart upward, downward, backward, or forward with remarkable speed.

A female beaver carries her young inside her body for about three months before birth. She typically bears two to four young at a time but may have as many as nine. Most kits (young beavers) are born in April or May.

The fastest snake is probably the black mamba of Africa. It was timed moving at the speed of 7 miles (11 kilometers) per hour over a short distance.

Elephants also have good hearing. They can make and hear sounds below the range of human hearing. These low sounds, called infrasound, travel farther than higher sounds.

Many well-known dinosaurs lived during the Jurassic Period. These include the giant plant-eater Apatosaurus, the armor-plated Stegosaurus, and Allosaurus, a large meat-eating dinosaur.

The highest flyer is the bar-headed goose. Some flocks of bar-headed geese fly over the world's highest mountain range, the Himalaya in Asia, at an altitude of more than 25,000 feet (7,625 meters).