Birds, by design, tend to be small, light and streamlined. Yet there are some that push the boundaries of size. Here is the avian world’s best example of an ultra-heavyweight flyer. Birds of prey are ...

A scavenger species, the Andean condor plays a vital role in ecosystems by preventing the spread of diseases found in carcasses. But human communities overlapping with their habitat have often ...

LIMA (Reuters) - Strapping a giant condor to the back of a raging bull is a central part of an Andean festival celebrated in Peru but some people worried about the endangered vulture's future say it ...