That's no straw: Hummingbirds evolved surprisingly flexible bills to help them drink nectar

Hummingbird bills -- their long, thin beaks -- look a little like drinking straws. But new research shows just how little water, or nectar, that comparison holds. Scientists have discovered that the hummingbird bill is surprisingly flexible. While drinking, a hummingbird rapidly opens and shuts different parts of its bill simultaneously, engaging in an intricate and highly coordinated dance with its tongue to draw up nectar at lightning speeds.

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