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Birding Mount Kinabalu, Sabah, Borneo

10,000 Birds

So, like a football stadium named after an insurance company, the broadbill ended up bearing a name celebrating a sponsor. The Borneo-endemic Chestnut-crested Yuhina is a cooperative breeder – the vast majority of breeding pairs (97%) in a study conducted here at Mount Kinabalu had helpers.

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Polygynandry and avian swingers

10,000 Birds

to have and raise children. Might I assume that women typically bear fewer children, or fewer survive? In the case of Acorn Woodpeckers, they are cooperative breeders (as with many other polygynandrous species), which seems to predispose species to polygynandry. In this case, they would be exhibiting polyandry.

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