Tag Archives | courting displays


Birds Serve Seduction Apprenticeship

Demonstrations of altruism and selfless behavior in the animal kingdom have long puzzled evolutionary biologists. Why do some individuals sacrifice their own self-interest to help others? Emily DuVal, a UC Berkeley zoologist, believes that in the case of the tropical bird known as the lance-tailed manakin, it’s because there may be a long-term payoff. During […]

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