@article {1548,
	title = {Incubation period of the Killdeer},
	journal = {Auk},
	volume = {49},
	year = {1932},
	note = {Charadriidae},
	pages = {81},
	keywords = {incubation period, yesnest},
	author = {Sugden, J. W.}
}
@article {1596,
	title = {An hour in thelife of a Broad-tailed Hummingbird},
	journal = {Condor},
	volume = {40},
	year = {1938},
	note = {Trochilidae},
	pages = {160-162},
	keywords = {yesnest},
	author = {Woodbury, A. M. and Sugden, J. W.}
}
