Daniel Heuclin / Wild burro (Equus asinus) Panamint Mountains . Death Valley National Park, California, June

Charlie Summers / Wild donkeys / Burros (Equus africanus asinus) fighting, Custer State Park, South Dakota, USA, September

Floris van Breugel / Wild Burros (Equus asinus) group portrait standing in a remote canyon in Panamint Valley, Death Valley National Park, California, USA. December 2009.

LYNN M. STONE / Wild burros {Equus asinus} Arizona/Nevada USA

LYNN M. STONE / Wild burro juvenile feeding on sage {Equus asinus} Arizona/Nevada USA