Its mottled gray-brown feathers and ability to remain perfectly still often cause it to be mistaken for a tree branch or stump ... this nocturnal bird can grow to 24 inches (60 centimeters ...

Its mottled gray-brown feathers and ability to remain perfectly still often cause it to be mistaken for a tree branch or stump ... this nocturnal bird can grow to 24 inches (60 centimeters ...

Throughout the night, great potoos emit a loud, moaning growl that has earned the bird a mythical status, with some communities believing the sounds to be children calling for lost parents.