Birds are among the most fascinating creatures on Earth, with nearly 10,000 species inhabiting various ecosystems. Birds have ...

Scientists have identified bones of the largest flying bird ever found -- an ancient soaring seabird with a wing span of at least 21 feet. Daniel Ksepka, curator of science at the Bruce Museum ...

Even though the ostrich is a bird, it can’t fly. Ostriches have wings, of course, but they are too small to support their weight. In addition, birds need keel-shaped sternums for flight, and ostrich ...

The largest is the nine-foot-tall ostrich ... They use their beaks to grab and swallow food. Even the way a bird reproduces is related to flight. Instead of carrying the extra weight of developing ...