Great frigatebirds, Fregata minor, choose mates that are genetically similar

Article Abstract:

Mate relatedness is studied in a Hawaiian population of great frigatebirds with the expectation, based on frigatebird ecology, that mate pairs were unlikely to be more genetically similar than a random draw of adults from the breeding population. Paired analysis was used to compare the DNA fingerprint similarity of a female and her mate versus the same female and a random male that was breeding elsewhere on the same island.

United States, Behavior, Mate selection, Frigate-birds, Frigate birds

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Classical conditioning increases reproductive success in Japanese quail, Coturnix japonica

Article Abstract:

The adaptive significance of learning is examined by determining whether classical conditioning increases reproductive success. The findings demonstrate that classical conditioning can enhance reproductive success, but the effect requires that both the male and the female be able to anticipate a sexual encounter.

Texas, Sexual behavior, Psychological aspects, Japanese quail, Classical conditioning, Conditioning (Psychology)

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