WTF Fun Fact – Woo By Diving

Male hummingbirds often woo females by climbing to between 5 and 40 meters before diving past perched females. They pull up at the last minute and spread their tail feathers which produces a loud chirpy song as the feathers vibrate from the air rushing past them. – WTF Fun Facts

Source: https://www.nationalgeographic.com/science/phenomena/2011/09/08/hummingbirds-dive-to-sing-with-their-tails

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