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A Strategic Arms Race Among Birds

10,000 Birds

This map shows the association in space: On considering the possible relationships between these strategies, the authors then develop the following three hypotheses: (i) Brood parasites might selectively target cooperative breeders to maximize the care of their offspring. (ii) fledglings per group per season.

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Birding Sepilok, Borneo (Part 1)

10,000 Birds

Apparently, this woodpecker has a somewhat unusual roosting behavior, with stable groups of three and four woodpeckers roosting individually in nearby cavities, with many more cavities at the roosting site than woodpeckers. At Sepilok, it can be hard to avoid taking photos of some non-birds, such as primates.