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Three Hokkaido Woodpeckers

10,000 Birds

One study on Hokkaido found that 47 out of 110 old woodpecker holes were used by renters, which in the biological world are called secondary cavity users. If you care for beetles rather than for woodpeckers, you might still be interested in protecting the bird. One paper describes an interesting approach to monitoring this decline.

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Birding Sepilok, Borneo (Part 1)

10,000 Birds

In fact, John MacKinnon (of “Guide to the Birds of China”) in a recent Shanghai presentation called it “not a real woodpecker at all”, and while he is wrong about that, I sort of see his point. Makes them sort of the renters of the woodpecker world rather than homeowners.