Coronis Fritillary

The Coronis Fritillary (Speyeria coronis) is a large, radiant butterfly native to the open mountains, chaparral, and sagebrush valleys of the American West. Exhibiting a dazzling stained-glass appearance, its upper wings glow in rich fiery tawny-orange laced with...

Weidemeyer’s Admiral

Weidemeyer’s Admiral (Limenitis weidemeyerii) is a stately, regal brush-footed butterfly native to the sunlit mountain canyons and quaking aspen groves of the Rocky Mountains. Named in honor of American entomologist John William Weidemeyer, this magnificent...

Arizona Black Rattlesnake

The Arizona Black Rattlesnake (Crotalus cerberus) is an aristocratic, high-altitude pit viper that reigns as one of the most enigmatic rattlesnakes in North America. Inhabiting the cool, pine-scented mountain ranges of the Mogollon Rim and Sky Islands, this formidable...

Western Patch-nosed Snake

The Western Patch-nosed Snake (Salvadora hexalepis) is an extraordinarily swift, sun-loving colubrid snake native to the arid desert basins and chaparral hills of the American Southwest. Famous for the unique, enlarged, shield-like rostral scale wrapped over the tip...

MacGillivray’s Warbler

MacGillivray’s Warbler (Geothlypis tolmiei) is a shy, secretive gem of western North America’s mountain thickets. Named in honor of Scottish ornithologist William MacGillivray, this elusive skulker of dense riverside willows and avalanche chutes is...