@article {41663,
	title = {Effects of spring body condition and age on reproduction in Mallards (Anas platyrhynchos)},
	journal = {The Auk},
	volume = {125},
	year = {2008},
	month = {2008},
	pages = {618},
	author = {Devries, J. H. and Brook, R. W. and Howerter, D. W. and Anderson, M. G.}
}
