Behavioral Ecology of Tropical Birds by Bridget J.M. Stutchbury, Visit Amazon's Eugene S. Morton PDF

By Bridget J.M. Stutchbury, Visit Amazon's Eugene S. Morton Page, search results, Learn about Author Central, Eugene S. Morton,

ISBN-10: 0126755558

ISBN-13: 9780126755558

  • ''This unique and invaluable publication may help to develop the knowledge of avian ecology through the world.''
    ?-D. Flaspohler, Michigan Technical college, in selection (January 2002)


    ''This is a stimulating e-book and a wealthy resource of analysis principles written at a degree compatible for undergraduates...''
    ?-Jeremy Lindsell in IBIS (2001)


    ''...an articulate uncomplicated assessment of what at the moment is shaping the sphere of avian behavioral ecology within the tropics. ...The authors are to be recommended for bringing jointly a knowledge base that i'm hoping will encourage ornithologists so as to add to its destiny expansion.''
    ?John Kricher for THE WILSON BULLETIN (September 2001)


    ''The central power of this booklet is the authors' breadth of expertise, which gives credibility to their claims. ...I suggest Behavioral Ecology of Tropical Birds to budding behavioral ecologists who're at the prowl for study themes that can regulate the instructions of the sphere, and to ecologists within the temperate quarter who ask yourself why their colleagues visit the hassle and rate of mounting behavioral learn tasks within the tropics.''
    ?-Tom A. Langen, Clarkson collage, in ECOLOGY (November 2001)


    ''...an articulate simple assessment of what at the moment is shaping the sector of avia behavioral ecology within the tropics. ...The authos are to be recommended for bringing jointly a knowledge base that i am hoping will motivate ornithologists so as to add to its destiny expansion.''
    ?John Kricher for THE WILSON BULLETIN (September 2001)

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Extra info for Behavioral Ecology of Tropical Birds

Sample text

Reproductive effort is evolutionarily LIFE HISTORY TRAITS 35 linked to adult survival through the cost of reproduction. Cost of reproduction is the reduced future survival or reproductive output which results from current reproductive effort. High reproductive effort causes a high cost of reproduction through the physiological toll of breeding, and can also include increased risk of adult predation while breeding (Lima 1987). The key evidence supporting a cost of reproduction comes from brood manipulation experiments with temperate zone birds (Nur 1988, 1990).

Thus lower density could be a factor in the lower extra-pair behavior of tropical birds, but only if density plays a big role in the costs and benefits of seeking extra-pair copulations. In a broad comparative analysis of birds, Westneat and Sherman (1997) found no correlation between EPF frequency and density. Studies within species often find no relationship between nearest neighbor distance and the occurrence of extra-pair young in the nest (Tarof et al. 1998). In some species there is a density effect, but the effect is not due to density per se.

Resident species might have lower EPFs than migrant species because the short time window for breeding combined MATING SYSTEMS 45 with synchronized arrival results in rapid pair formation in migrants. Thus, some females unintentionally pair with low quality males, forcing them later to seek good genes from high quality males (Westneat et al. 1990, Slagsvold and Lifjeld 1997, Weatherhead and Yezerinac 1998, Petren et al. 1999). This is far from the truth. In socially monogamous species only one female pairs with each male, by definition.

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Behavioral Ecology of Tropical Birds by Bridget J.M. Stutchbury, Visit Amazon's Eugene S. Morton Page, search results, Learn about Author Central, Eugene S. Morton,


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