birding.about.com

8YoG TIL that a duck’s feathers are so waterproof that even when the duck dives underwater, its downy underlayer of feathers will stay completely dry.
PZWJ TIL Hummingbirds cannot walk or hop, they have evolved smaller feet to be lighter for more efficient flying
884L TIL a large group of flamingos is called a flamboyance