Send it, desert bighorn sheep! Witnessed by a Mojave Desert Land Trust wildlife corridor camera on the border of Joshua Tree National Park, the desert bighorn sheep (Ovis canadensis nelsoni) is seen here overlooking a landscape divided by human development. Though masters of the mountains, these migratory mammals are struggling. Their naturally historic travel routes now contend with the relatively recent advent of cars, houses, and city lights. The high, steep peaks of the desert mountains offe

Make way! Coming through! The desert tortoise is longtime (15- or 20-million-year) resident of the Mojave Desert. While these gentle creatures were commonly encountered by people up until the mid-1990s, today they are rarely seen and are federally listed as threatened. Because desert tortoises are slow-moving (obviously), they are particularly vulnerable to oncoming vehicles, both on and off road. Populations of desert tortoises also face predation from ravens, vandalism, and pet-trade collectio