Capital versus income breeding in a migratory passerine bird: evidence from stable-carbon isotopes

Langin, K. M. ; Norris, D. R. ; Kyser, T. K. ; Marra, Peter P. ; Ratcliffe, L. M. (2006). Capital versus income breeding in a migratory passerine bird: evidence from stable-carbon isotopes . Canadian Journal of Zoology, 84 , 947-953.