• Age: 6 to 8
• Grade: 1 to 3
• Reading age: 6 to 8

Mammals include the largest animals in the world, in the sea, in the air and on land: • The bison is the largest land mammal in Canada. It can weigh almost as much as a small car. • Humpback whales sing long, complicated songs. They use these songs to communicate with other humpbacks. • A muskrat can stay underwater for about 15 minutes. It can swim the length of a football field before it comes up for air. • Bats eat while they are flying. A bat can eat up to 1000 insects in a night.

Tamara Einstein's profile page

Tamara is a biologist who travels the world exploring everything from rainforests to high mountaintops and languages to cultures. She has written books on mammals, whales, dolphins, and the human friendship with animals.

The Einstein Sisters love to explore the world of nature, science and the cultures and countries of the earth. We travel to remote adventures in rainforests, oceans, mountains, deserts and Arctic regions. We want share some of our favourite facts about the worlds we explore in a fun and colourful way.