Figure 1: Categories of Flying Birds

Figure 2: Examples of Flightless Birds

Video 1: Birds Vertebrates (5:18)

Video 2: What Happens When You Put a Hummingbird in a Wind Tunnel? (3:26)

Video 3: See What Makes Owls So Quiet and So Deadly (3:12)

Video 4: Royal Penguin Families (2:46)

Video 5: Amazing Clip Of A Goose Laying An Egg (2:52)

Video 6: The Great Migration (10:17)

Video 7: Bird flu Outbreak - H5N2 Avian Flu Kills over 33 million Chickens (3:59)