<p>Long-billed dowitchers like this one have full plumage when they're breeding, but they lose feathers on their migratory stopovers. Without their flight feathers, they can't fly long distances or avoid predators.</p>

Long-billed dowitchers like this one have full plumage when they're breeding, but they lose feathers on their migratory stopovers. Without their flight feathers, they can't fly long distances or avoid predators.

Tim Fitzharris, Minden/National Geographic

Birds Are Dying As Drought Ravages Avian Highways

Migrating birds are weakened or sickened as they wing their way along the Pacific flyway in search of fresh water.

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