This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...
Charging at speeds up to 26 miles an hour (42 kilometers), the greater roadrunner (Geococcyx californianus) chases down prey like lizards and snakes. It is listed as Least Concern by the IUCN Red List ...
Scientific American is the authority on science and technology for a general audience, with coverage that explains how research changes our understanding of the world and shapes our lives. First ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback