Whales are warm-blooded mammals. Moms feed milk to babies.
Baby blue whales can gain about 200 pounds a day.
The blue whale is the largest animal to ever live.
A whale breathes air through a blowhole on its head.
The biggest whales eat tiny animals called krill.
Orcas, or killer whales, live in family groups called pods.
Orcas hunt together as a team.
Humpback whales jump out of the water. This is called breaching.
Narwhals live in the cold Arctic Ocean.
A narwhal's long tusk is really a tooth.
Words to know
- blowhole: a nose hole
- pods: whale groups
- krill: tiny sea animals