At 7mm (0.27 inches) long, Paedophryne amauensis may be the world’s smallest vertebrate – the group that includes mammals, fish, birds and amphibians.
They are well camouflaged among leaves on the forest floor, and have evolved calls resembling those of insects, making them hard to spot.
Sadly, there are not many of them left. Probably because they're just so small and edible!
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