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Hummingbird’s Tongue Works Like A Micropump: Study

A new study suggests the initial notion of how hummingbirds consumed nectar was wrong. Scientists previously believed hummingbird tongues utilized capillary action to take in floral nectar. The capillary action phenomenon means water flows through narrow areas and works against gravity. Scientists initially accepted the idea because the birds have grooves in their tongue that look similar to open cylinders, but it turns out their previous theory was wrong.

High-speed video captures hummingbird feeding

Researchers used high-speed videos to capture the birds in action and found that hummingbird tongues work as elastic...


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