Watch this kestrel hover in place while keeping its head completely still

Many raptors, including kestrels, can detect ultra-violet which means they can track mice and voles from the trails of urine that they leave.

While slightly bulkier, sparrowhawks are smaller in overall dimensions than kestrels, I assume the extra brawn is partly due to the mechanism for their acrobatic chasing prey around trees and hedges.

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That’s amazing.

I don’t know whether hate all owls or just tawny owls or just that particular tawny owl.

I always wondered why Ornithology had math requirements that went up to tensor calculus. Always seemed a bit excessive; but I suppose this explains it.

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