Lepidochelys olivacea, Cheloniidae, olive ridley sea turtle, female, marine reptiles, sea turtles, Coragyps atratus, Cathartidae (american vultures), black vulture, birds, behavior, carrion, scavenger, arribada (mass nesting), environmental issues, environmental problems, washed ashore, strandings, carcass, Ostional Wildlife Refuge, Guanacaste, Costa Rica, Pacific Ocean.

Remarks: Black vultures feeding on the carcass of an olive ridley sea turtle. During the arribada many sea turtles die in fishing nets. Only a few carcass are washed up on the shore with the surge and wind. It is estimated that hundreds of sea turtles die in this way every arribada.