Birdcall

n.	1.	A sound made in imitation of the note or cry of a bird for the purpose of decoying the bird or its mate.
	2.	An instrument of any kind, as a whistle, used in making the sound of a birdcall.

Noun	1.	birdcall - the characteristic sound produced by a bird; "a bird will not learn its song unless it hears it at an early age" Synonyms: birdsong, song, call
	2.	birdcall - a device for imitating a birdcall

Angelus, Angelus bell, alarm, alarum, animal noise, bark, barking, battle cry, bugle call, call, clang, cry, grunt, howl, howling, last post, mating call, moose call, note, rallying cry, rebel yell, reveille, stridulation, summons, taps, trumpet call, ululation, war cry, whistle, woodnote