
Hummingbird’s Tuneful Tail
By Riaz Bhunnoo
- 01/31/08 - A hummingbird has been found to emit birdsong from its tail feathers, scientists revealed today. Anna’s hummingbird, from South West US, splays its feathers when it dive-bombs producing a chirping sound. Diving at speeds in excess of 50mph causes the wind to rush through its feathers and results in a vibration similar to that of a clarinet reed playing a musical note (