Anna’s Hummingbirds Attract Mates with Speed
Clip: Season 1 | 3m 1s | Video has closed captioning.
The Anna’s Hummingbird is so fast that it harnesses the air around it to produce a sound – angling its tail feathers as it reaches top speed so they resonate and hum – a sound that the female finds irresistible.
Problems Playing Video? | Closed Captioning