Ruby-throated Hummingbird pictures and a link to an audio recording of song at the MaCauley Library website
A female ruby-throated hummingbird by Bill Buchanan. Males have the red patch on their throat that flashes as the light catches it and gives these hummers their name.- US Fish and Wildlife (public domain)
Click to travel to a recording of ruby-throated hummingbird sounds on The Cornell Lab of Ornithology's MaCauley Library website
The Buzz of the Wings and Chirps