@article {1375,
	title = {Release of gaping in hummingbirds (Trochilidae)},
	journal = {Wilson Bulletin},
	volume = {101},
	year = {1989},
	note = {Trochilidae},
	pages = {477-481},
	keywords = {nestling behavior, yesnest},
	author = {K.-L. Schuchmann}
}
