Benefits to satellite members in mixed-species foraging groups: an experimental analysis
Article Abstract:
The advantages of the satellite species that include white breasted nuthatches and downy woodpeckers in mixed-species foraging flocks consisting of two parid nuclear species, tufted titmice and either black-capped or Carolina chickadees were studied. Parids from eight Ohio woodlots delineated by surrounding agricultural fields were removed, after which the nuthatches and woodpeckers in the woodlots were compared with eight control woodlots. Female downy woodpeckers foraged in areas protected from wind to minimize metabolic costs.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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On the functional design of mate preferences and receiver biases
Article Abstract:
A comment on two studies that have used correlational tests to consider receiver bias and mate preferences is presented by evaluating the between-population correlation between responsiveness to orange discs and the female preference for orange males in guppies. A positive correlation between these measurements led to the conclusion that the female preference for orange males originated as a receiver bias and not under selection related to mate choice benefits.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 2004
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Mate preference: a possible casual mechanism for a moving hybrid zone
Article Abstract:
A study was conducted to examine the mate preference in females of both species, as one possible casual mechanism for their hybrid zone shifts. The result reveals that the effect of male intrasexual dominance on female mate preference, contributes the northward movement of the hybrid zone.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 2003
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