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Article
A. M. Dufty, Auteur ; M. B. Crandall, AuteurMany nestlings respond to alarm calls with anti-predator behavior, but their physiological responses to much calls are poorly understood. Alarm calls could stimulate increased secretion of corticosterone to mobilize energy reserves in anticipati[...]
Article
K. C. Donohue, Auteur ; A. M. Dufty, AuteurCurrently, the sex of Red-tailed hawks (Buteo jamaicensis) cannot be determined by in-hand methods. Males and females do not differ in plumage and overlap in size. We collected feather samples and morphological measurements from migrating birds [...]
Article
Jodie M. Jawor, Auteur ; A. M. Dufty, AuteurAbstract Two attributes of many temperate passerine species are short-term territoriality and strongly fluctuating annual testosterone (T) profiles. Circulating T of temperate passerines can vary from undetectable levels in the nonbreeding seaso[...]
