@article {283,
	title = {Observational learning in hummingbirds},
	journal = {Auk},
	volume = {118},
	number = {3},
	year = {2001},
	note = {Trochilidae},
	pages = {795-799},
	keywords = {foraging, nonest},
	author = {Altshuler, D. L. and Nunn, A. M.}
}
