Claudio Contreras / California condor (Gymnogyps californianus), portrait. California condor recovery program, Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico.

Claudio Contreras / California condor (Gymnogyps californianus), two peched in tree, adult and juvenile. California condor recovery program, Sierra de San Pedro Martir National Park, Baja California Peninsula, Mexico.

Jeff Foott / Wild California condor (Gymnogyps californianus) near San Pedro Martir National Park, Northern Baja California, Mexico.

Gerrit Vyn / Mature male California Condor (Gymnogyps californianus) used for the captive breeding program to restore this critically endangered species. Idaho. February.

Bence Mate / Black vulture (Coragyps atratus) squabbling with King vulture (Sarcoramphus papa) Costa Rica.

Bence Mate / Black vulture (Coragyps atratus) face to face with King vulture (Sarcoramphus papa) Costa Rica.

Jack Dykinga / Male Andean Condor (Vultur gryphus) flying amongst the clouds, Los Cuernos Peaks, Torres del Paine, Chile. March.

Claudio Contreras / Andean condor (Vultur gryphus), IUCN Near Threatened, captive.

Claudio Contreras / California condors (Gymnnogyps californicus) interacting. Captive. Endangered species.

Claudio Contreras / California condor (Gymnogyps californianus) preening, IUCN Critically Endangered, captive.

Claudio Contreras / California condor (Gymnogyps californianus), IUCN Critically Endangered, captive.

Claudio Contreras / California condor (Gymnogyps californianus), IUCN Critically Endangered, captive.