PBS
Pbs Learning Media: A Variety of Hummingbirds
Learn about different traits and adaptations in various species of hummingbirds in this video from Nature. [2:50]
Science Friday Initiative
Science Friday: Holiday Birding
A look at the 109th annual Audubon Christmas Bird Count, which draws avid birders from all over the country. The Count helps biologists learn more about bird behavior and their numbers. The information is added to an online database....