Posts Tagged as ‘birds’

December 9, 2009

Did you know?

A bumblebee flaps its wings 150 times per second?
I found this information in the book Why Don’t Jumbo Jets Flap Their Wings? by David E. Alexander. This excellent book provides clear explanations of all aspects of flight – be it birds, planes or insects!
Find more information, stunning photographs and an A to Z directory of hummingbirds in [...]