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The Uncommon Demise of a Wood Thrush in Costa Rica

10,000 Birds

If it doesn’t find enough to eat, it might become too tired to watch for predators and be snatched up by a domestic cat or any number of animals that are always watching, eternally waiting for an easy lunch. The rails did indeed come to investigate but came up empty-beaked. Bay-breasted Warblers have to be careful.

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A Question of Migration

10,000 Birds

People were doing things like that with birds, sharks, and humans. Birds, because they fly, don’t store fat without paying a huge cost, which might in turn make them more vulnerable to variations in both food supply and thermal stress than ground dwelling animals. Another question this raises has to do with migration itself.

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