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PEREGRINE FALCON





350 kilometres an hour- that's over 7 times faster than the world's fastest human sprinter! In some tests, peregrine falcons have been recorded diving even faster, at 389 kilometres an hour.
Wow!

When diving at such a fast speed, the air rushes past the falcon so fast that its eyes would be damaged, if it wasn't for the fact that they have an extra, third, see through eyelid below it's usual ones. Being able to dive so quickly allows them to hunt other birds for food.

There's some very impressive video of a peregrine hunting a pigeon in this short clip -
https://www.youtube.com/watch?v=i6HkIywJuxI

They're found all over the planet, and the name 'peregrine' means 'wanderer', which is about right, given that, like a lot of birds, they migrate huge distances. Some of them have been known to travel 25,000 kilometres in one year, which is well over halfway across the globe.

They don't build nests, but usually lay their eggs in gaps in the face of a cliff that they make deeper by digging at them with their strong claws. One of the reasons why the eggs of many birds aren't perfect, round spheres is that it prevents the egg from rolling and falling out of the rock.

All birds are born from eggs that the mother lays. The baby bird or embryo growing inside it is able to breathe through the shell because it contains thousands of microscopic holes or pores that let the air inside.

The shells are made from a chemical called 'calcium carbonate', which is the same chemical that chalk is made from! Lots of creatures use it to make parts of their bodies like the shells of snails.

Find out more about these high speed birds here -
http://www.canadiangeographic.ca/kids/animal-facts/peregrine_falcon.asp