Hierarchies Among Northern Harrier (Circus cyaneus) Harems and the Costs of Polygyny

• Published in: The Journal of Animal Ecology
• Main Authors: Simmons, R. E., Smith, P. C., MacWhirter, R. B.
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: JSTOR 1986
• Subjects: Animal Science and Zoology; Ecology, Evolution, Behavior and Systematics; Circus cyaneus
• Online Access: http://dx.doi.org/10.2307/4414