While the hypothalamo–pituitary–adrenocortical (HPA) response to stress appears to be conserved in vertebrates, the manner in which it is activated and its actions vary. We …
MANY species exhibit colour polymorphisms associated with alternative male reproductive strategies, including territorial males and'sneaker males' that behave and look like females1 …
SYNOPSIS. Superimposed upon seasonal changes in morphology, physiology and behavior, are facultative responses to unpredictable events known as labile (ie, short-lived) …
LM Romero, M Wikelski - Proceedings of the National …, 2001 - National Acad Sciences
Plasma levels of corticosterone are often used as a measure of “stress” in wild animal populations. However, we lack conclusive evidence that different stress levels reflect …
B Sinervo, DB Miles, WA Frankino, M Klukowski… - Hormones and …, 2000 - Elsevier
The mechanistic bases of natural and sexual selection on physiological and behavioral traits were examined in male morphs of three colors of the side-blotched lizard, Uta stansburiana …
KR Zamudio, B Sinervo - Proceedings of the National …, 2000 - National Acad Sciences
Alternative male mating strategies within populations are thought to be evolutionarily stable because different behaviors allow each male type to successfully gain access to females …
Unstressed and stress-induced plasma corticosterone levels in Galápagos marine iguanas (Amblyrhynchus cristatus) were compared in animals from a site heavily exposed to tourism …
Hormones and Reproduction of Vertebrates, Volume 5: Mammals is the fifth of five second- edition volumes representing a comprehensive and integrated overview of hormones and …
MC Moore, DK Hews, R Knapp - American Zoologist, 1998 - academic.oup.com
SYNOPSIS. An organism's phenotype results from an interaction of environment and genotype. Sex steroids play a role in translating sexual genotype into phenotype. The focus …