Search Results
Your search yielded 1500 images
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QUEE_045263_Rolfnp_ Q...jpg
Queen (Danaus gilippus), butterfly emerging...
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NBCE_044816_Rolfnp_Ni...jpg
Night-blooming Cereus (Acanthocereus...
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GUFR_045248_Rolfnp_ G...jpg
Gulf Fritillary (Agraulis vanillae), butterfly...
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TEBL_046489_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), White...
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TEBL_046454_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis) White...
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NOCA_034348_Rolfnp_No...jpg
Northern Cardinal (Cardinalis cardinalis), male...
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BLVU_029512_Rolfnp_Bl...jpg
Black Vulture (Coragyps atratus), adults eating...
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BRDA_029023_Rolfnp_Bl...jpg
Blue-ringed Dancer (Argia sedula), Damselfly in...
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NORA_027390.jpg
Northern Raccoon (Procyon lotor), adult at...
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TEWI_026472.jpg
Wind mill at sunset, Rio Grande Valley, Texas, USA
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SUNS_026426.jpg
Sun, Texas, USA
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SNGO_026760.jpg
Snow Goose (Chen caerulescens), flock lifting...
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SNGO_026722.jpg
Snow Goose (Chen caerulescens), flock at...
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SNGO_026648.jpg
Snow Goose (Chen caerulescens), flock lifting...
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NMBA_026718.jpg
Wetland, Bosque del Apache National Wildlife...
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TEWI_026337.jpg
Wind mill at sunset, Sinton, Corpus Christi,...
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SNGO_026762.jpg
Snow Goose (Chen caerulescens), flock lifting...
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YEWA_010669.jpg
Yellow Waterlily, Nymphaea mexicana, blooming...
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TEWI_010784.jpg
Lake with Tropical Royalblue Waterlily...
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SWMO_012980.jpg
Rigi and Pilatus Mountains, Oberaegeri, Zug,...
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ALLA_021993.jpg
Indian Summer fall colors, Tangle Lake, Alaska,...
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MUHO_022077.jpg
Mustang Horse (Equus caballus), adult, Pryor...
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QUAS_000757.jpg
Aspen trees in fallcolor, Uncompahgre National...
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NMBA_012839.jpg
Wetland with frost, Bosque del Apache National...
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MOGL_006883.jpg
Mount Reynolds with moon, Glacier National...
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KILL_001831.jpg
Killdeer, Charadrius vociferus,adult on nest...
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HAWA_012736.jpg
Na Pali Coast seen fro ship, Kauai, Hawaii,...
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COWI_006793.jpg
Waterfall and wildflowers in alpine meadow,...
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BBWD_003833.jpg
Black-bellied Whistling-Duck, Dendrocygna...
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AMLO_010539.jpg
American Lotus (Nelumbo lutea), blooming,...
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WTDE_013438.jpg
White-tailed Deer, Odocoileus virginianus,...
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WDRA_019782.jpg
Western Diamondback Rattlesnake (Crotalus...
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UTAR_006564.jpg
Balanced Rock and Garden of Eden at sunset,...
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TEPA_013397.jpg
Prairie after Rain storm, Texas Panhandle,...
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RGSN_019367.jpg
Rough Green Snake (Opheodrys aestivus), adult...
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MOGL_006877.jpg
Mount Reynolds, Glacier National Park, Montana,...
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LBHE_021430.jpg
Little Blue Heron (Egretta caerulea), adult in...
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Elk,_005779.jpg
Elk, Wapiti, Cervus elaphus,bull in velvet...
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ELRE_010974.jpg
Trumpeter Swan, Cygnus buccinator, pair at...
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CORO_000585.jpg
Sunrise over Mummy Range with Aspen trees in...
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BAEA_004280.jpg
Bald Eagle, Haliaeetus leucocephalus, adult in...
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AZOP_019533.jpg
Sunrise in Sonoran desert with Saguaro Cactus...
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ANEM_015688.jpg
Andean Emerald (Amazilia franciae), adult...
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QUEE_045270_Rolfnp_ Q...jpg
Queen (Danaus gilippus), butterfly expanding...
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QUEE_045265_Rolfnp_ Q...jpg
Queen (Danaus gilippus), butterfly emerging...
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QUEE_045228_Rolfnp_ Q...jpg
Queen (Danaus gilippus), butterfly expanding...
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QUEE_045200_Rolfnp_ Q...jpg
Queen (Danaus gilippus), butterfly emerging...
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QUEE_045198_Rolfnp_ Q...jpg
Queen (Danaus gilippus), butterfly emerging...
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LETE_044511_Rolfnp_Le...jpg
Least Tern (Sterna antillarum), adult sitting...
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GUFR_045254_Rolfnp_ G...jpg
Gulf Fritillary (Agraulis vanillae), butterfly...
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GUFR_045249_Rolfnp_ G...jpg
Gulf Fritillary (Agraulis vanillae), butterfly...
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GUFR_045243_Rolfnp_ G...jpg
Gulf Fritillary (Agraulis vanillae), butterfly...
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GUFR_045230_Rolfnp_ G...jpg
Gulf Fritillary (Agraulis vanillae), adult...
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GUFR_045196_Rolfnp_ G...jpg
Gulf Fritillary (Agraulis vanillae), butterfly...
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GUFR_045194_Rolfnp_ G...jpg
Gulf Fritillary (Agraulis vanillae), butterfly...
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GUFR_045193_Rolfnp_ G...jpg
Gulf Fritillary (Agraulis vanillae), butterfly...
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CAYO_045586_Rolfnp_Yo...jpg
El Capitan and Merced River, Yosemite National...
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CAYO_045516_Rolfnp_Yo...jpg
El Capitan and Merced River, Yosemite National...
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CASN_045614_Rolfnp_Se...jpg
Giant Sequoia (Sequoiadendron giganteum),...
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BOPA_045152_Rolfnp_ B...jpg
Bordered Patch (Chlosyne lacinia), butterfly...
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BOPA_045146_Rolfnp_ B...jpg
Bordered Patch (Chlosyne lacinia), butterfly...
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BOPA_045144_Rolfnp_ B...jpg
Bordered Patch (Chlosyne lacinia), butterfly...
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BOPA_045142_Rolfnp_ B...jpg
Bordered Patch (Chlosyne lacinia), butterfly...
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BOPA_045138_Rolfnp_ B...jpg
Bordered Patch (Chlosyne lacinia), butterfly...
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BOPA_045137_Rolfnp_ B...jpg
Bordered Patch (Chlosyne lacinia), butterfly...
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TESF_047495_Rolfnp_Sa...jpg
Sandfest, Sand Sculpture Festival, Port...
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TEBL_046541_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), mixed...
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TEBL_046540_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), mixed...
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TEBL_046532_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), mixed...
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TEBL_046526_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), mixed...
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TEBL_046458_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis) White...
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TEBL_046537_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), mixed...
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TEBL_046510_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), mixed...
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TEBL_046488_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), White...
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SABL_046340_Rolfnp_Sa...jpg
Sandyland bluebonnet (Lupinus subcarnosus),...
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RTHU_041757_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_041736_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_041596_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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BCHU_042780_Rolfnp_Bl...jpg
Black-chinned Hummingbird (Archilochus...
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TEBL_034849_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), wildflower...
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WISK_030763_Rolfnp_Wi...jpg
Widow Skimmer (Libellula luctuosa), male...
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TRYU_032429_Rolfnp_Tr...jpg
Trecul Yucca, Spanish Dagger (Yucca...
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TRYU_032415_Rolfnp_Tr...jpg
Trecul Yucca, Spanish Dagger (Yucca...
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RESL_030962_Rolfnp_Re...jpg
Red-eared Slider (Trachemys scripta elegans),...
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NOMO_030419_Rolfnp_No...jpg
Northern Mockingbird (Mimus polyglottos), adult...
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NOCA_031016_Rolfnp_No...jpg
Northern Cardinal (Cardinalis cardinalis), pair...
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GRJA_029515_Rolfnp_Gr...jpg
Green Jay (Cyanocorax yncas), adult in flight,...
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CASP_034145_Rolfnp_Ca...jpg
Carolina Sphinx (Manduca sexta), caterpillar on...
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BLVU_034509_Rolfnp_Bl...jpg
Black Vulture (Coragyps atratus), adults eating...
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BLVU_029520_Rolfnp_Bl...jpg
Black Vulture (Coragyps atratus), adults eating...
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TRYU_032415_Rolfnp_Tr...jpg
Trecul Yucca, Spanish Dagger (Yucca...
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RESL_030962_Rolfnp_Re...jpg
Red-eared Slider (Trachemys scripta elegans),...
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NOMO_029427_Rolfnp_No...jpg
Northern Mockingbird (Mimus polyglottos), adult...
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BIPO_034659_Rolfnp_Bi...jpg
Cardinal, Mockingbird, Green Jay, House Finch,...
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TETO_028040_Rolfnp_Te...jpg
Texas Tortoise (Gopherus berlandieri), adult...
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TETO_028039_Rolfnp_Te...jpg
Texas Tortoise (Gopherus berlandieri), adult...
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TETO_027882_Rolfnp_Te...jpg
Texas Tortoise (Gopherus berlandieri), adult...
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SNEG_028431_Rolfnp_Sn...jpg
Snowy Egret (Egretta thula),adult, Port...
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SHCA_028044_Rolfnp_St...jpg
Strawberry Hedgehog Cactus (Echinocereus...
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CEWA_027848_Rolfnp_Ce...jpg
Cedar Waxwing (Bombycilla cedrorum), immature...