An interactive map traces ... Their average speed in direct flight is in the range of 20-30mph, and up to three times that fast during courtship dives," Hummingbird Central's website says about the ...

Fall migration is happening earlier for a North American bird species that is already in rapid decline, adding pressure to ...

In the contiguous United States, peak spring bird migration runs approximately between March 1 and June 15, though some species migrate earlier or later. Fall migration ... On a map you can ...