
Futuyma and " The Ascent of Birds: How Modern Science Is Revealing Their Story" by John Reilly. For more on bird evolution, check out " How Birds Evolve: What Science Reveals about Their Origin, Lives, and Diversity" by Douglas J. Additional resourcesįor more information about birds from around the world visit online databases such as the Royal Society for the Protection of Birds (RSPB) webpage, Birds of the World by Cornell Lab of Ornithology and the IUCN Red List.

The Andean condor also has a long lifespan of around 50 years in the wild and up to 80 years while in captivity, according to the Wildlife Conservation Society Peru. around 15 pounds (6.8 kilograms) of carrion (dead or decaying flesh) in a single meal, according to San Diego Wildlife Alliance. Andean condors are a species of vulture and like many vulture species, aren’t predominantly hunters and scavenge their food from dying or deceased animals. Due to their large wingspan, these birds can globe on air current with ease without expelling much energy. Along with their impressive wingspan, these birds can ascend to heights of up to 18,000 feet (5,500 meters) passing over the peaks of the Andes, according to Welsh Mountain Zoo. The Andean condor is the largest species of raptor on the planet and the second-largest wingspan of any bird - which spans around 10.5 feet (3.2 meters), according to the San Diego Wildlife Alliance.

An Andean condor flying over Colca Canyon in southern Peru.
