1112-8638 - Round-tailed ground squirrels (Xerospermophilus tereticaudus), Brandi Fenton Park, Tucson, Arizona, United States of America, North America
1112-7396 - Fruiting saguaro cactus (Carnegiea gigantea), in bloom in June, Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-7397 - Saguaro cactus (Carnegiea gigantea), photographed under a waning moon in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-7395 - Saguaro cactus (Carnegiea gigantea), photographed at sunrise in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-7393 - Saguaro cactus (Carnegiea gigantea), photographed at sunrise in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-7394 - Saguaro cactus (Carnegiea gigantea), photographed at sunrise in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-7368 - Adult Mexican long-nosed bat (Leptonycteris yerbabuenae), at a feeder at night, Westward Look Resort, Tucson, Arizona, United States of America, North America
1112-7366 - Saguaro cactus (Carnegiea gigantea), photographed at night in the Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-5515 - The super full moon rising over saguaro cactus (Carnegiea gigantea), Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-5514 - The super full moon rising over saguaro cactus (Carnegiea gigantea), Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-5516 - The super full moon rising over saguaro cactus (Carnegiea gigantea), Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-5513 - The super full moon rising over saguaro cactus (Carnegiea gigantea), Sweetwater Preserve, Tucson, Arizona, United States of America, North America
1112-3262 - Adult javalinas (collared peccary) (Pecari tajacu) in the Sonoran Desert suburbs of Tucson, Arizona, United States of America, North America
1112-3261 - Giant saguaro cactus (Carnegiea gigantea) under full moon at Gates Pass in the Tucson Mountains, Tucson, Arizona, United States of America, North America
1112-3263 - Adult javalina (collared peccary) (Pecari tajacu) in the Sonoran Desert suburbs of Tucson, Arizona, United States of America, North America
1112-2997 - Giant saguaro cactus (Carnegiea gigantea), under full moon in the Catalina Mountains, Tucson, Arizona, United States of America, North America
1112-3000 - Giant saguaro cactus (Carnegiea gigantea), under full moon in the Catalina Mountains, Tucson, Arizona, United States of America, North America
1112-2999 - Giant saguaro cactus (Carnegiea gigantea), under full moon in the Catalina Mountains, Tucson, Arizona, United States of America, North America
1112-2998 - Giant saguaro cactus (Carnegiea gigantea), under full moon in the Catalina Mountains, Tucson, Arizona, United States of America, North America
1112-2996 - Giant saguaro cactus (Carnegiea gigantea), under full moon in the Catalina Mountains, Tucson, Arizona, United States of America, North America
1112-3001 - Giant saguaro cactus (Carnegiea gigantea), under stars in the pre-dawn light, Santa Catalina Mountains, Tucson, Arizona, United States of America, North America
1112-2995 - Giant saguaro cactus (Carnegiea gigantea), under full moon in the Catalina Mountains, Tucson, Arizona, United States of America, North America
1112-2658 - Adult captive desert tortoise (Gopherus agassizii) at sunset at the Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
1112-2659 - Adult captive desert tortoise (Gopherus agassizii) at sunset at the Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America
801-1103 - Petroglyphs, created by the prehistoric Hohokam people, about 1000 years ago, West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
801-1101 - Close up of a common barn owl (Tyto Alba), West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
801-1104 - Petroglyphs, created by the prehistoric Hohokam people, about 1000 years ago, West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
801-1105 - Flowers of the Jumping Cholla cactus (Hanging Chain Cholla) (Cylindropuntia Fulgida), West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
801-1098 - Ocotillo cactus (Fouquieria Splendens) in foreground, Saguaro cactus (Camegiea Gigantea) in background, West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
801-1100 - Saguaro Cactus (Camegiea Gigantea) silhouetted at sunset, West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
801-1107 - Flower of the prickly pear cactus (Opuntia), West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
801-1102 - Petroglyphs, created by the prehistoric Hohokam people, about 1000 years ago, West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
801-1099 - Saguaro Cactus (Camegiea Gigantea) silhouetted at sunset, West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
801-1106 - Teddy Bear Cholla cactus (Cylindropuntia Bigelovil), West-Tucson Mountain District, Saguaro National Park, Arizona, United States of America, North America
857-70414 - Jen Dwyer holds a photograph of her grandmother while taking part in the All Souls Procession in Tucson, Arizona, November 6, 2002. Inspired by Mexico's Dia de los Muertos holiday, over 10,000 participants gather on the streets of downtown Tucson for a two-mile long human-powered procession that ends in the finalizing action of burning a large urn filled with the hopes, offerings and wishes for those who have passed.