Nota de archivo: este contenido fue publicado hace más de 90 días.

An undated photo provided by the non-profit National Park Rescue of a carcass in the Okavango Delta of Botswana, where 356 elephants have died in recent months. Experts have few clues as to whether the cause is something sinister, such as poisonings, or a naturally occurring disease from which the area’s elephants will bounce back. (National Park Rescue/via The New York Times) -- NO SALES; FOR EDITORIAL USE ONLY WITH NYT STORY SCI ELEPHANT DEATHS BY RACHEL NUWER FOR JULY 13, 2020. ALL OTHER USE PROHIBITED.
Una foto sin fecha proporcionada por la organización sin fines de lucro National Park Rescue de un cadáver en el delta del Okavango de Botsuana. (The New York Times)

Por Rachel Nuwer