Have a look at all these different birds from around the world.
Did you know that birds are evolved from dinosaurs.
All birds lay eggs and they can look very different.
They all have beaks, feathers, two legs and two wings.
Most even have special feathers on their wings, so they can fly.
Those birds that don't fly, have other ways to get around.
The ostrich can't fly. Instead it has long powerful legs and it can run fast.
The penguin can't fly either. And it's not too good at running. But they are great in water.
Surprisingly, whether they hang out in the sky, land or sea, they still have lungs and need to breathe air, just like us mammals.
Also like mammals, birds are warm blooded. So usually they'll be able to keep warm, no matter where they are.
What makes an animal a bird? Learn about the different characteristics that make an animal a bird in this video.
Don't forget to practice what you've learned with the activity and quiz below!
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