MCU of California quail perched on gnarled branch of tree. VAR of antelope ground squirrel sitting alert at entrance to its burrow, suddenly darting back underground. MCU of white-winged dove sitting on top of blooming saguaro cactus. MCU of gila woodpecker (melanerpes uropygialis) sipping nectar from white cactus flower. VAR of curve-billed thrasher (toxostoma curvirostre) sipping nectar from several saguaro cactus flowers. MCU of pair of gila woodpeckers perched on saguaro cactus arm. (42771)