They can even fly upside down! Hummingbirds can also stay in one place in midair. This is called hovering. A hummingbird can flap its wings over 50 times in a single second! Hummingbirds work hard when they move, so they have to eatanbsp;...
|Title||:||Power Practice: Nonfiction Reading Comprehension, Gr. 1-2, eBook|
|Publisher||:||Creative Teaching Press - 2005-02-01|