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Birding the Ndumo area, South Africa

10,000 Birds

Undeterred, they summarize their results with an upbeat call for more research: “Despite our inability to detect patterns of vigilance for other flock members, we emphasize the importance of studies to elucidate such a process.” ” I wish I had this kind of optimism. “Do you think I’m Sexy?

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A Strategic Arms Race Among Birds

10,000 Birds

In the former, a female lays her fertilized egg in the nest of another species, in the hopes that her offspring will be raised by the unwitting hosts. In the latter, three or more adult individuals contribute to the raising of offspring. Our field data suggest that a two-way process underpins this relationship.

Breeders 196