@article {43421,
	title = {Predator responses to similarity and dispersion of artificial nest sites : implications for the structure of boreal forest songbird communities},
	volume = {118},
	year = {2001},
	note = {Foothills Model Forest},
	pages = {105-115},
	publisher = {The Auk},
	url = {http://www.bioone.org/archive/0004-8038/123/2/pdf/i0004-8038-123-2-438.pdf},
	author = {Rangen, Sheila A. and Clark, Robert G. and Hobson, Keith A.}
}
