@article {304,
	title = {Interspecific territoriality of migrant calliope and resident broad-billed hummingbirds},
	journal = {Condor},
	volume = {72},
	year = {1970},
	note = {Trochilidae},
	pages = {234},
	keywords = {terms},
	author = {Austin, G. T.}
}
@article {419,
	title = {Piracy of nesting materials from and by the Broad-tailed Hummingbird},
	journal = {Condor},
	volume = {74},
	year = {1972},
	note = {Trochilidae, Vireonidae, Tyrannidae},
	pages = {485},
	keywords = {stealing nest material, yesnest},
	author = {Calder, W.A.}
}
