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This is rather speculative, but draws on a few birding/wildlife books I've read and it's too much for a comment. It also has a little UK bias, but I've visited 4 continents on wildlife trips, and m...
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This is rather speculative, but draws on a few birding/wildlife books I've read and it's too much for a comment. It also has a little UK bias, but I've visited 4 continents on wildlife trips, and m...