Mammals
Lots of mammals live on land. Some live in water, and some can fly!
Licensed under CC BY-SA 3.0 via Wikimedia Commons.
Cats, dogs, bats and whales are mammals. We are mammals too!
Whales are sea mammals.
Bats are flying mammals.
A mammal:
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A whale has a long backbone. Photo by Bronwen Lea. Licensed under CC BY-SA 3.0
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Dogs give birth to pups.
Photo from Pixabay is in the public domain.
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Pups drink mum's milk.
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Warm-blooded means that an animal's body can make its own heat. The body uses food to make heat. So mammals can live in cold places.
This fox lives in the cold Arctic.
A sea mammal must breathe air out of the water. It breathes air with its lungs.
A sea otter is a sea mammal.
Is this animal a mammal?
Photo from Pixabay is in the public domain.
It has hair so it is a mammal. It is a guinea pig (say ginee pig).