Show Details

Podcast

January 11, 2008

Females prefer male Common Yellowthroats (Geothlypis trichas) with either larger black facial masks or bigger yellow breasts, depending on where they live (D. Menke, US Fish & Wildlife Service)

Animal Sexual Selection: sexy fruit flies have sexy sons, geographical variation in what some female birds find attractive, and dolphins plumb the depths to get a mate.

Transcript

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