Search Results
Your search yielded 1500 images
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QUEE_045265_Rolfnp_ Q...jpg
Queen (Danaus gilippus), butterfly emerging...
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QUEE_045260_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_045210_Rolfnp_ Q...jpg
Queen (Danaus gilippus), butterfly expanding...
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QUEE_045198_Rolfnp_ Q...jpg
Queen (Danaus gilippus), butterfly emerging...
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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_045212_Rolfnp_ G...jpg
Gulf Fritillary (Agraulis vanillae), butterfly...
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GUFR_045196_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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CASN_045617_Rolfnp_Se...jpg
Giant Sequoia (Sequoiadendron giganteum),...
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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_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_046530_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_046509_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), mixed...
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TEBL_046537_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), mixed...
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TEBL_046461_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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SABL_046333_Rolfnp_Sa...jpg
Sandyland bluebonnet (Lupinus subcarnosus),...
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GREE_046465_Rolfnp_Gr...jpg
Greenthread (Thelesperma filifolium),...
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RTHU_041766_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_041757_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_041732_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_041594_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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BCHU_042779_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_030730_Rolfnp_Wi...jpg
Widow Skimmer (Libellula luctuosa), male...
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TRYU_032415_Rolfnp_Tr...jpg
Trecul Yucca, Spanish Dagger (Yucca...
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NOMO_032391_Rolfnp_No...jpg
Northern Mockingbird (Mimus polyglottos), adult...
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NOMO_030419_Rolfnp_No...jpg
Northern Mockingbird (Mimus polyglottos), adult...
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NOMO_029427_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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GRJA_029492_Rolfnp_Gr...jpg
Green Jay (Cyanocorax yncas), pair perched on...
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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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TETO_029407_Rolfnp_Te...jpg
Fish carcasses in lake during drought, Dinero,...
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NOMO_029427_Rolfnp_No...jpg
Northern Mockingbird (Mimus polyglottos), adult...
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NOCA_034348_Rolfnp_No...jpg
Northern Cardinal (Cardinalis cardinalis), male...
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GRJA_029492_Rolfnp_Gr...jpg
Green Jay (Cyanocorax yncas), pair perched on...
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BIPO_034659_Rolfnp_Bi...jpg
Cardinal, Mockingbird, Green Jay, House Finch,...
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GCWA,024364,Rolfnp,Go...jpg
Golden-cheeked Warbler (Dendroica chrysoparia),...
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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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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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KILL,027366,Rolfnp.jpg
Killdeer (Charadrius vociferus), adult on nest...
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CEWA_027756_Rolfnp_Ce...jpg
Cedar Waxwing (Bombycilla cedrorum), adult...
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BIMA_027521_Rolfnp_Bi...jpg
Bigtooth Maples (Acer grandidentatum), fall...
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_WDRA_027869.jpg
Western Diamondback Rattlesnake (Crotalus...
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_TETO_028041.jpg
Texas Tortoise (Gopherus berlandieri), adult...
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_CEWA_027763.jpg
Cedar Waxwing (Bombycilla cedrorum), adult...
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_CEWA_027759.jpg
Cedar Waxwing (Bombycilla cedrorum), adult...
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_BYMD_028125.jpg
Black and yellow Mud Dauber (Sceliphron...
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PODA_029022_Rolfnp_Po...jpg
Powdered Dancer (Argia moesta), McKinney Roughs...
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PETR_027750_Rolfnp_Pe...jpg
Pecan tree (Carya illinoinensis), new leaves...
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CEWA_027768_Rolfnp_Ce...jpg
Cedar Waxwing (Bombycilla cedrorum), adult...
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CEWA_027759_Rolfnp_Ce...jpg
Cedar Waxwing (Bombycilla cedrorum), adult...
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TRYU_027430.jpg
Trecul Yucca, Spanish Dagger (Yucca...
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RPPO_027425.jpg
Rose Prickly Poppy (Argemone sanguinea),...
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SNEG_018688.jpg
Snowy Egret (Egretta thula), adult in flight,...
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GCWA_024470.jpg
Golden-cheeked Warbler (Dendroica chrysoparia),...
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MUDE_027063.jpg
Mule Deer, Black-tailed Deer (Odocoileus...
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MUDE_027363.jpg
Mule Deer, Black-tailed Deer (Odocoileus...
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BAEA_027339.jpg
Bald Eagle (Haliaeetus leucocephalus), adults...
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BAEA_027319.jpg
Bald Eagle (Haliaeetus leucocephalus), adult in...
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SWTR_025899.jpg
Linden tree (Tilia sp.), tree in autumn,...
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SWTR_025895.jpg
Linden tree (Tilia sp.), tree in autumn,...
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SWTR_025834.jpg
Linden tree (Tilia sp.), tree in spring,...
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SWMA_025918.jpg
Matterhorn at sunrise in winter with reflection...
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GRFR_025906.jpg
Great Frigatebird (Fregata minor), group in...
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GRFR_025905.jpg
Great Frigatebird (Fregata minor), group in...
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EUST_025924.jpg
European Starling (Sturnus vulgaris), Flock...
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EUST_025922.jpg
European Starling (Sturnus vulgaris), Flock...
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SWTR_026003.jpg
Linden tree (Tilia sp.), tree in summer,...
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SWTR_026000.jpg
Linden tree (Tilia sp.), tree in summer,...
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SWTR_025931.jpg
Linden tree (Tilia sp.),bare tree with frost in...
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SWMA_026106.jpg
Matterhorn at sunrise in winter with reflection...
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SWMA_026104.jpg
Matterhorn at night with star trails in winter...
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SWMA_026101.jpg
Matterhorn at sunrise in winter with reflection...
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SWLA_026124.jpg
Grossmuenster,Zurich, Switzerland, Europe
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SWAG_026091.jpg
Aletsch Glacier, UNESCO World Heritage Site...
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SWAG_026034.jpg
Aletsch Glacier, UNESCO World Heritage Site...
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GSLI_026085.jpg
Galápagos Sea Lion (Zalophus wollebaeki) adult,...
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ECGI_026087.jpg
Prickly pear cactus (Opuntia echios), Puerto...
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North and SouthFavori...jpg
Agave, Century Plant, Agavaceae, Rio Grande...
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FUMO_026536.jpg
Full Moon, Texas, USA
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WYGT_026834.jpg
Tetons Reflecting in snake river, Schwabacher...
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WYGT_026832.jpg
Old wooden Barn and grand teton range, Antelope...
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WYGT_026690.jpg
Oxbow Bend at sunrise, Snake River, Grand Teton...
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WYGT_026681.jpg
Old wooden Barn and grand teton range, Antelope...
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WYGT_026677.jpg
Oxbow Bend at sunrise, Snake River, Grand Teton...
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SNGO_026724.jpg
Snow Goose (Chen caerulescens), flock lifting...