ocr: ROOSTING HIDDEN HEAD MAd BIRDS are active only during the day. Tucking the head under dusk, they roost (sleep) in a safe place. the wing saves body heat Songbirds usually roost in trees and bushes, ROOSTING DUCK while waterfowl roost on open water, or on Even when asleep, this beaches or mudbanks. Owls and nightjars mallard is alert to roost by day, relying on their sounds ofpossible camoutlaged feathers to hide danger. in the Roosting open them among tree gives it a clear branches or on escape route. the ground. FROZEN LAKE
