australian owlet-nightjar `aegotheles cristatus` in a tree hollow

2014 acheron adaptable aegotheles australia australian australias avian barred barring beak bird brown churring colouration cristatus daytime delicate distinctive feathered feathers flying grey gum gumtree habitat head hole hollow hollows nest nesting nightbird nightjar nocturnal november owlet owletnightjar peeking peeks peering plumage roosting roosts rufous small smallest squeaks stripes tree trees victoria wings woodland