Desert birds, already living at the extremes, are among the first to signal the consequences of a hotter planet. But all of ...

A Greater Roadrunner zoomed into view and hopped on top of a tee box to survey its surroundings. I quickly focused my ...

Desert birds live on the edge. Summer heat can rise to lethal levels above 115 degrees. In drought, an entire year may pass with just an inch of rain.

Some desert birds may be under added stress due to the extreme heat this summer. Death Valley National Park just had its hottest month on record, with an average temperature of 108.1 degrees in July.

How they did it — The researchers compared 34 small mammal species, including rodents, and 134 bird species at dozens of sites across the Mojave Desert and Joshua Tree National Park. In order to ...

Southwestern desert birds live on the edge but have adapted over time. Now the evidence suggests they are struggling to adapt to rapid climate change.