%0 Journal Article %J Oecologia %D 2016 %T Breeding on the leading edge of a northward expansion: Differences in morphology and the stress response of the Arctic Gambel's white-crowned sparrow %A Jesse S. Krause %A Helen E. Chmura %A Jonathan H. Perez %A L. N. Quach %A Ashley Asmus %A K. R. Word %A M. A. McGuigan %A Shannan K. Sweet %A Simone L. Meddle %A Laura Gough %A Natalie T. Boelman %A John C. Wingfield %B Oecologia %V 180 %P 33-44 %G eng %N 1 %M ARC895 %! Breeding on the leading edge of a northward expansion: Differences in morphology and the stress response of the Arctic Gambel's white-crowned sparrow %R 10.1007/s00442-015-3447-7