What Is Moult Migration In Birds
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Moult migration is a process in which some birds grow new feathers in a different location before migrating to their wintering grounds
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Some species of birds, like ducks and geese, may moult towards the end of the breeding season and travel long distances to gather at these sites
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Other species, like songbirds, may stop at a secondary location before migrating to their wintering grounds
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These sites are selected because they offer food, allowing the birds to replace their flight feathers
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Some long-distance migrants may even start moulting in their breeding grounds and continue in their winter locations
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Birds usually moult once a year, but some species may moult twice, and timing can vary depending on the species
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This process can, however, make birds more vulnerable to predators as it leaves them flightless
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Even among moulting birds, not all age or genders participate in the process
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