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Complex mate searching in the satin bowerbird Ptilonorhynchus violaceus
J A Uy1, G L Patricelli, G Borgia
1Department of Biology, University of Maryland, College Park, Maryland 20742, USA. uy@lifesci.ucsb.edu
The American Naturalist
|August 19, 2008
Summary
Female satin bowerbirds use a pooled comparison strategy for mate selection, visiting multiple males before mating. Their search behavior is influenced by factors like experience and mating date, involving multiple sampling bouts.
Area of Science:
- Behavioral Ecology
- Animal Behavior
Background:
- Mate-choice studies often overlook female behavioral rules in mate searching.
- Existing models propose pooled comparison or sequential-search rules for female mate selection.
Purpose of the Study:
- To identify the behavioral rules females use when searching for mates.
- To reconstruct mate search patterns in female satin bowerbirds (Ptilonorhynchus violaceus).
Main Methods:
- Monitoring 63 female satin bowerbirds during mate sampling.
- Reconstructing female search patterns to analyze mate-choice tactics.
Main Results:
- Females predominantly used a pooled-comparison tactic, sampling multiple males and returning to the most attractive.
- Variation in sampled males was linked to female mating history, search initiation date, and experience.
- Females engaged in two distinct sampling bouts, narrowing choices before the second bout.
Conclusions:
- Female mate searching is a complex, multi-bout process.
- Female mate choice involves reconsidering preliminary decisions and resolving final choices.
- Factors such as experience and timing significantly influence female search behavior.
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