Birds have run, swam and stolen on the earth since the age of dinosaurs, and they have driven out food and have raised their vague chicks for generation after generation.
These feathered creatures now live on all continents, sometimes migrating thousands of kilometers to seasonal destinations. You can often hear their bird song while they are crazy, chirpol syrinxA vocal organ which has two independent sound sources, unlike that found in humans.
Science has proven that certain species of birds are extraordinarily intelligent. For example, Crows include the concept of zeroand a African gray parrot named Alex had a vocabulary of more than 100 words. Birds can also to dance And Use tools.
But what do you really know about birds? Take our quiz to find out.
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