Jack Dykinga / Dense stands of Prickly pear cactus (Opuntia sp) in Tamaulipas, Mexico
01192901
Jack Dykinga / Gopher snake (Pituophis sp) amongst Lechuguilla (Agave lechuguilla) and prickly pear cacti (Opuntia macrocentra), Maderas del Carmen Natural Reserve, Mexico
01180279
Jack Dykinga / California Poppies (Eschscholtzia californica) and flowering Spurge (Euphorbia sp) with a Cholla Cactus (Opuntia cholla) skeleton, Tres Virgenes, Baja California Sur, Mexico, Central America
00175622
Tim Fitzharris / Opuntia (Opuntia sp) in Chihuahuan Desert landscape, Big Bend National Park, Texas
00173994
Tim Fitzharris / Plains Pricklypear (Opuntia polyacantha), Arches National Park, Utah
00141207
Tui De Roy / Common Cactus-Finch (Geospiza scandens) feeding on Opuntia (Opuntia sp) cactus blossom, Academy Bay, Santa Cruz Island, Galapagos Islands, Ecuador
00140366
Tui De Roy / Common Cactus-Finch (Geospiza scandens) feeding on (Opuntia sp) Common Cactus Fruit, Santa Fe Island, Galapagos Islands, Ecuador
00108463
Michio Hoshino / Galapagos Land Iguana (Conolophus subcristatus) and Prickly Pear (Opuntia sp) cactus, Galapagos Islands, Ecuador
00481899
Tom Vezo / Opuntia (Opuntia sp) buds, southeast Arizona
00480137
Tui De Roy / Galapagos Land Iguana (Conolophus subcristatus) feeding on Opuntia (Opuntia sp) fruit, Galapagos Islands, Ecuador
01353393
Jean E. Roche / Prickly pear cactus fruit (Opuntia sp), Ostriconi, Agriate, Corsica, France, September
00462689
Pete Oxford / Opuntia (Opuntia sp) cactus flowering, Little St. Simon's Island, Georgia
01347972
Nick Upton / Girolata 17th Century Genoese watchtower with stands of Pricky pear cactus (Opuntia sp.) and Agave (Agave sp.) growing nearby within a UNESCO World Heritage site and Corsica's National Park (Parc Natu...
00446627
Pete Oxford / Opuntia (Opuntia echios) cacti with fruit, Tortuga Bay, Santa Cruz Island, Galapagos Islands, Ecuador
00343697
Yva Momatiuk & John Eastcott / Opuntia (Opuntia sp) cactus, Sonoran Desert National Monument, Arizona
01300342
Tim Laman / Flowering Brittlebush (Encelia farinosa) with Cholla cactus (Opuntia sp) and other desert plants. Anza-Borrego Desert State Park, California, USA. March 2005
01300341
Tim Laman / Flowering Brittlebush (Encelia farinosa) with Cholla cactus (Opuntia sp) and other desert plants. Anza-Borrego Desert State Park, California, USA. March 2005
00445441
Tui De Roy / Common Cactus-Finch (Geospiza scandens) using long beak to feed on Opuntia (Opuntia sp) cactus flower, Galapagos Islands, Ecuador
00445431
Tui De Roy / Common Cactus-Finch (Geospiza scandens) using long beak to extract seeds from Opuntia (Opuntia sp) cactus fruit, Galapagos Islands, Ecuador
00445432
Tui De Roy / Common Cactus-Finch (Geospiza scandens) on Opuntia (Opuntia sp) cactus, Galapagos Islands, Ecuador
00445430
Tui De Roy / Common Cactus-Finch (Geospiza scandens) on Opuntia (Opuntia sp) cactus, Galapagos Islands, Ecuador
00442863
Suzi Eszterhas / Texas Flower Scarab (Trichiotinus texanus) on Engelmann Prickly Pear (Opuntia engelmannii) flower, Red Corral Ranch, Texas
Tim Fitzharris / Bluebonnet (Lupinus subcarnosus), Paintbrush (Castilleja sp) and Pricky Pear (Opuntia sp) cactus, Texas
00442674
Tim Fitzharris / Bluebonnet (Lupinus subcarnosus), Paintbrush (Castilleja sp) and Pricky Pear (Opuntia sp) cactus, Texas
01280938
Patricio Robles Gil / Prickly pear cactus {Opuntia sp} covered in dew, Chihuahuan desert, Mexico
01280939
Patricio Robles Gil / Prickly pear cactus {Opuntia sp} covered in dew, Chihuahuan desert, Mexico
01247819
Juan Carlos Munoz / Prickly pear / cholla {Opuntia sp} cactus covered in cobwebs, Andalucia, Spain, December
01247817
Juan Carlos Munoz / Prickly pear / cholla {Opuntia sp} cactus covered in cobwebs, Andalucia, Spain, December
01246347
John Cancalosi / Fishhook / Arizona barrel cactus (Ferocactus wislizenii) with fruit in snow after desert snow storm with Prickly pear cactus (Opuntia sp) in background, Sonoran Desert, Arizona, USA
01247818
Juan Carlos Munoz / Prickly pear / cholla {Opuntia sp} cactus covered in cobwebs, Andalucia, Spain, December
01239518
Juan Carlos Munoz / Plaza Island with Galapagos carpet weed {Sesuvium edmonstonei} and Giant prickly pear cactus {Opuntia sp}, Galapagos, January 2009
00427917
Pete Oxford / Galapagos Carpenter Bee (Xylocopa darwini) female on Opuntia (Opuntia sp) cactus flower, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador
00427558
Kevin Schafer / Large Cactus-Finch (Geospiza conirostris) on Opuntia (Opuntia sp) cactus flowers, Tower Island, Galapagos Islands, Ecuador
01217727
Tim Laman / Giant prickly pear cacti (Opuntia sp.). Cerro Dragon, Santa Cruz Island, Galapagos Islands.
01217728
Tim Laman / Giant prickly pear cactus (Opuntia sp.). Cerro Dragon, Santa Cruz Island, Galapagos Islands.
01217708
Tim Laman / Giant prickly pear cacti (Opuntia sp.), Santa Cruz Island, Galapagos Islands.
01217677
Tim Laman / Giant prickly pear cactus (Opuntia sp.) growing on Champion Islet off Floreana (Charles) Island, Galapagos Islands.
01217733
Tim Laman / Giant prickly pear cactus (Opuntia sp.), Cerro Dragon, Santa Cruz Island, Galapagos Islands.
01217726
Tim Laman / Giant prickly pear cacti (Opuntia sp.). Cerro Dragon, Santa Cruz Island, Galapagos Islands.
01217730
Tim Laman / Galapagos carpenter bee (Xylocopa darwini) feeding from flower of giant Prickly pear cactus (Opuntia sp.). Endemic to Galapagos. Cerro Dragon, Santa Cruz Island, Galapagos Islands.
01217709
Tim Laman / Giant prickly pear cactus (Opuntia sp.), Santa Cruz Island, Galapagos Islands.
01209324
Rolf Nussbaumer / Spiny fruit prickly pear cactus {Opuntia spinosibacca} blooming amongst {Thelesperma sp} wildflowers, Enchanted Rock State Natural Area, Fredericksburg, Texas, USA
01192882
Jack Dykinga / Servilletta Canyon's walls with Gumbo Limbo (Bursera simaruba) trees, bromeliads (Bromeliad sp), agaves (Agave sp) and Prickly pear cacti (Opuntia sp). Tamaulipas, Mexico
01197776
Tim Laman / Swallow-tailed gull (Larus furcatus) standing on {Opuntia sp} cactus calling, Genovesa (Tower) Island, Galapagos, June
01197770
Tim Laman / Giant Prickly Pear Cactus (Opuntia sp.) and other vegetation on Santa Cruz Island. June 1993.
01197787
Tim Laman / Giant cholla cactus {Opuntia sp} Galapagos
01197778
Tim Laman / Giant Prickly Pear Cactus (Opuntia sp) and other vegetation on Isabela Island, Galapagos Islands, June 1993.
01196479
John Cancalosi / Cactus Wren (Campylorhnchus brunneicapillus) perched on cholla cactus (Opuntia sp.), Sonoran Desert, Arizona, USA
01196480
John Cancalosi / Cactus Wren (Campylorhnchus brunneicapillus) perched on cholla cactus (Opuntia sp.), Sonoran Desert, Arizona, USA
01196493
John Cancalosi / Cactus Wren (Campylorhnchus brunneicapillus) perched on Cholla cactus (Opuntia sp.), Arizona, USA
00143760
Tui De Roy / Common Cactus-Finch (Geospiza scandens) feeding on Opuntia (Opuntia sp) flower, Santa Crus Island, Galapagos Islands, Ecuador
00143759
Tui De Roy / Common Cactus-Finch (Geospiza scandens) feeding on Opuntia (Opuntia sp) catus flower, Santa Cruz Island, Galapagos Islands, Ecuador
01177985
Patrick Morris / Prickly pear {Opuntia sp} cacti growing on volcanic hillside, Santa Fe Is, Galapagos
01189359
John Cancalosi / Cactus Wren (Campylorhnchus brunneicapillus) in Cholla cactus {Opuntia sp} Arizona, USA
00210719
Pete Oxford / Galapagos Land Iguana (Conolophus subcristatus) near Opuntia (Opuntia echios) cacti on South Plaza Island, Galapagos Islands, Ecuador
01187907
Shattil & Rozinski / Prickly pear cactus {Opuntia sp} with Cerro Castellan peak in background, Big Bend NP, Texas, USA, 2004
00176714
Tim Fitzharris / Beavertail Cactus (Opuntia basilaris) with Picacho Mountain in the background, Pichaco Peak State Park, Arizona
00176681
Tim Fitzharris / Grizzly Bear Cactus (Opuntia erinacea) and Peppergrass (Lepidium papilliferum) close up of bloom, North America
00176668
Tim Fitzharris / Beavertail Cactus (Opuntia longiareolata) flowering, North America
00176652
Tim Fitzharris / Opuntia (Opuntia sp) cactus and other desert vegetation, Kofa National Wildlife Refuge, Arizona
01185710
John Cancalosi / Green Lynx Spider (Puecetia viridans) on Prickly pear blossom {Opuntia sp} waiting prey attracted to blossom, Arizona, USA
01185708
John Cancalosi / Green Lynx Spider (Puecetia viridans) on Prickly pear blossom {Opuntia sp} waiting prey attracted to blossom, Arizona, USA
01180278
Jack Dykinga / Cardon Cactus (Pachycereus pringlei) and Cholla Cactus (Opuntia cholla) amongst flowering Evening Primrose (Oenthera sp), Vizcaino Desert, Baja California Sur, Mexico, Central America
01180280
Jack Dykinga / Evening Primrose (Oenthera sp) flowers amid a Cholla Cactus (Opuntia cholla) skeleton, Vizcaino Desert, Baja California Sur, Mexico, Central America
01185709
John Cancalosi / Green Lynx Spider (Puecetia viridans) on Prickly pear blossom {Opuntia sp} waiting prey attracted to blossom, Arizona, USA
01182439
Rob Tilley / Desert Prickly Pear Cactus with pink flower {Opuntia sp}, Canyonlands NP, Utah, USA
01182438
Rob Tilley / Desert Prickly Pear Cactus flowers {Opuntia sp} Canyonlands NP, Utah, USA
01182437
Rob Tilley / Desert Prickly Pear Cactus with yellow flower {Opuntia sp} Canyonlands NP, Utah, USA
01182436
Rob Tilley / Desert Prickly Pear Cactus with pink flower {Opuntia sp} Canyonlands NP, Utah, USA
01182435
Rob Tilley / Prickly Pear Cactus flowers {Opuntia sp} Arches NP, Utah, USA
00176827
Tim Fitzharris / Opuntia (Opuntia sp) cactus blooming, North America
01182304
Philippe Clement / Cholla cactus skeleton {Cylindropuntia sp.} showing wooden tubular supporting structure with oval openings, Sonoran desert, Arizona, USA
01182305
Philippe Clement / Cholla cactus skeleton {Cylindropuntia sp.} showing wooden tubular supporting structure with oval openings, Sonoran desert, Arizona, USA
01033288
John Cancalosi / Prickly pear cactus fruit (Opuntia sp.) Sonoran Desert, Arizona USA.
00590682
Patricio Robles Gil / Opuntia (Opuntia sp) cactus surrounded by desert flowers, Chihuahuan Desert, Mexico
00590669
Patricio Robles Gil / Opuntia (Opuntia sp) cactus in bloom, Chihuahuan Desert, Mexico
00590667
Patricio Robles Gil / Ocotillo (Fouquieria splendens) landscape, Chihuahuan Desert, Sierra del Carmen region, Coahuila state, Mexico
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Patricio Robles Gil / Prickly Pear Cactus and desert vegetation, Chihuahuan Desert, Coahuila state, Mexico
00590623
Patricio Robles Gil / Opuntia (Opuntia sp) cactus in bloom, Chihuahuan Desert, Mexico
00210425
Pete Oxford / Santa Fe Land Iguana (Conolophus pallidus) eating Optunia cactus, Santa Fe Island, Galapagos Islands, Ecuador
00210424
Pete Oxford / Santa Fe Land Iguana (Conolophus pallidus) eating Optunia cactus, Santa Fe Island, Galapagos Islands, Ecuador
00176467
Tim Fitzharris / Opuntia (Opuntia sp) cactus at Cerro Castellan, Chihuahuan Desert, Big Bend National Park, Chihuahuan Desert, Texas
01164131
Jack Dykinga / Saguaro {Carnegia gigantea} and Cholla cacti {Opuntia sp} Antelope Hills, Cabeza Prieta National Wildlife Refuge, Arizona, USA
00762098
Ingo Arndt / Opuntia (Opuntia echios) cactus and water pool, Santa Cruz Island, Galapagos Islands, Ecuador
00762097
Ingo Arndt / Opuntia (Opuntia echios) cactus Santa Cruz Island, Galapagos Islands, Ecuador
00270261
Hiroya Minakuchi / Common Cactus-Finch (Geospiza scandens) on Opuntia (Opuntia sp) cactus, Galapagos Islands, Ecuador
00210217
Pete Oxford / Red-footed Booby (Sula sula) perching on roots beneath Opuntia (Opuntia sp) cactus, Genovesa Island, Galapagos Islands, Ecuador
01080814
Doug Wechsler / {Fouquieria} cactus covered in lichen as well as (Opuntia sp) cactus, in desert fog, Baja Magdelana plain, Mexico
01149190
John Cancalosi / Prickly pear cactus fruit {Opuntia sp} Sonoran desert, Arizona, USA
01126259
Pete Oxford / {Opuntia sp} cactus, Galapagos.
01129085
Pete Oxford / Cholla cactus flower {Opuntia sp} California, USA.
