Researchers from Portugal and Spain tagged 71 carrion birds for three years, and noticed that only 13 of them ventured into Portugal over that period, the Correio da Manha newspaper reports.

Andean condors are massive birds, among the largest in the world that are able to fly. Because they are so ... so they keep their sharp eyes peeled for the carrion that makes up most of their ...

Earlier this week, a California condor was released again after 22 days of treatment for lead exposure at the Sequoia Park ...