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Date: 2010-09-07 10:10:36 Ornithology Zoology Prolactin Challenge hypothesis Lapland Longspur Dark-eyed Junco Spotted Sandpiper Plasma Testosterone Vireo Endocrine system Blue-headed Vireo		Available online at www.sciencedirect.com R Hormones and Behavior[removed]– 441 www.elsevier.com/locate/yhbeh Add to Reading List Source URL: www.indiana.edu Download Document from Source Website File Size: 105,63 KB Share Document on Facebook

	Available online at www.sciencedirect.com R Hormones and Behavior[removed]– 441 www.elsevier.com/locate/yhbeh DocID: M6eZ - View Document
	doi:[removed]j.yhbeh[removed] DocID: M4XK - View Document
	Ethology The Influence of Exogenous Testosterone on the Dynamics of Nestling Provisioning in Dark-Eyed Juncos Ethan D. Clotfelter, C. Ray Chandler , Val Nolan Jrà & Ellen D. Kettersonà Department of Biology, Amher DocID: M4AY - View Document
	䉷 2005 by The University of Chicago. All rights reserved. Appendix from E. D. Ketterson et al., “Testosterone in Females: Mediator of Adaptive Traits, Constraint on Sexual Dimorphism, or Both?” (Am. Nat., vol. 166 DocID: LXDT - View Document
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