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How do hummingbirds hover in front of flowers?

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Illustration of a chestnut-collared swift (Cypseloides rutilus) in flight, showing its dark brown body and wings with a distinctive reddish-brown collar around its neck. — Apodiform Chestnut-collared swift (*Cypseloides rutilus*)

Hummingbirds are able to hover in front of flowers due to the unique architecture of their wings, which connect to the body exclusively at the shoulder joint. This specialized structure allows for a full range of motion, enabling the birds to maintain stability while feeding on nectar.31

During hovering flight, the path of the wings inscribes a horizontal figure eight. Unlike many other birds that rely on propulsive flight, hummingbirds utilize both the downstroke and the upstroke as power strokes to generate lift. On the downstroke, the dorsal surface of the wing acts as the top of the airfoil, while on the upstroke, the ventral surface serves this function.2

This dynamic flight pattern is supported by rapid, precise wing beats—which can reach up to 80 beats per second in some species—allowing the birds to remain stationary in the air while maneuvering to extract food.31