Vultur gryphus, Andean Condor. Huge, wide-ranging vulture of the Andes, but also ranges into lowlands in southern Chile and Tierra del Fuego. Locally fairly common in Chile and adjacent Argentina, less numerous northward. Mainly seen as singles or pairs, sailing high over ridges, but tens can gather at roosts and to scavenge at carcasses. Sexual maturity and breeding behavior do not appear in them until they are five or six years of age. It may live to 50 years or more, and it mates for…