Fact
a hummingbird can rotate each of it`s wings in a circle, allowing them to be the only bird which can fly forwards, backwards, up, down, sidways or sit in sheer space.
A hummingbird can move instantaneously in any direction. A hummingbird can even fly short distances up side down , a trick rollover they employ when being attacked by another bird
(answers .com)
Facts or fiction
A Bald Eagle can see small pray from thousands of feet in the air.