Did you know that their brains are 4.2% of its body weight, the largest proportion in the bird kingdom. Their heart is 2.5% of their total body
weight. Their flight muscles take up 30% of their body weight..!
Apparently they can also see further than humans, hear better than humans and they can see UV light. But they have little to no sense of smell. They
are also the only birds that can fly forwards and backwards.
Just amazing..! Lots of interesting info and facts here:
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