@article {402,
	title = {Ectoparasitism as a cost of coloniality in Cliff Swallows (<i>Hirundo pyrrhonota</i>)},
	journal = {Ecology},
	volume = {67},
	year = {1986},
	note = {Hirundinidae},
	pages = {1206-1218},
	keywords = {yesnest},
	author = {Brown, C. R. and M. B. Brown}
}
@article {403,
	title = {Variation in the appearance of swallow eggs and the detection of intraspecific brood parasitism},
	journal = {Condor},
	volume = {91},
	year = {1989},
	note = {Hirundinidae},
	pages = {620-627},
	keywords = {yesnest},
	author = {Brown, C. R. and L. R. Sherman}
}
