The frogmouths are a group of nocturnal birds found from across India and southern Asia to Australia. They are named for their large flattened hooked bills and huge frog-like gape, which they use to take insects. The one's shown above are tawny frogmouths, and they exhibits one of the best examples of cryptic plumage and mimicry, which perch low on tree branches during the day camouflaged as part of the tree.

Their silvery-grey plumage patterned with white, black, and brown streaks and spots allows them to freeze into the form of a broken tree branch and become practically invisible in broad daylight. The tawny frogmouth often chooses a broken part of a tree branch and perches upon it with its head thrust upwards at an acute angle using it ...

An Australian Tawny Frogmouth (Podargus strigoides) showing off some excellent camouflage against a tree trunk. The birds are nocturnal and stay safe while they're roosting during the day by disguising themselves as a tree branch. They're known to stand perfectly still and upright with their beaks in the air for hours.