or Gopherus agassizii — are officially a different species from tortoises in Arizona and Mexico, previously called "the Sonoran population of desert tortoises" and newly dubbed Morafka's desert ...

The curve-billed thrasher—the common thrasher of the rich, cactus-laden Sonoran Desert—can be very conspicuous ... Adults distinctive; note different habitat and calls compared with the ...

Think the yellow sprinkling of flora alongside the I-17 highway is testament to a beautiful blooming spring? Think again.