Every page of Peter Cavanagh's "100 Flying Birds: Photographing the Mechanics of Flight," from the preface, where the author begins with “Flight is the essence of bird life. Flying has allowed birds ...

Argentavis magnificens was so massive it should’ve stayed grounded. Yet, this giant prehistoric bird still ruled the skies of ...

According to bird experts Kenn and Kimberly Kaufman, much about bird flying is dependent on the species, season, and what else the bird is doing. Songbirds that feed on insects vary in the elevation ...