Winter poses several challenges for birds. Scarce food supplies and limited water are just a few obvious challenges for nearly all of them. Extremely cold temperatures, strong winds, driving snow ...

Learn what a Calliope hummingbird looks like, where to find these tiny birds in the U.S., and how to attract them.

Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucat n Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ...

When we think of large birds, we might picture swans, ostriches, or eagles. But which bird is the biggest? Well, it depends ...