Search Results
Your search yielded 1572 images
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BBHU_024693.jpg
Buff-bellied Hummingbird (Amazilia...
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GRBE_022053.jpg
Grizzly Bear (Ursus arctos horribilis), adult...
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BBHU_024699.jpg
Buff-bellied Hummingbird (Amazilia...
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AMRO_021410.jpg
American Robin (Turdus migratorius), adult...
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BBHU_024667.jpg
Buff-bellied Hummingbird (Amazilia...
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BBHU_024663.jpg
Buff-bellied Hummingbird (Amazilia...
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BBHU_024658.jpg
Buff-bellied Hummingbird (Amazilia...
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PIWA_043240_Rolfnp_Pi...jpg
Pine Warbler (Dendroica pinus), adult male...
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BOPA_045146_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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BCHU_044359_Rolfnp_ B...jpg
Black-chinned Hummingbird (Archilochus...
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BABU_043716_Rolfnp_Be...jpg
Bee Assassin Bug (Apiomerus crassipes), adult...
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TXBB_048201_Rolfnp_Bi...jpg
, desert in bloom, Big Bend National Park, West...
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TXBB_048139_Rolfnp_Bi...jpg
, desert in bloom, Big Bend National Park, West...
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WLSP_042761_Rolfnp_Wh...jpg
White-lined sphinx (Hyles lineata), adult in...
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RTHU_041699_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_041602_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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LEGO_042807_Rolfnp_Le...jpg
Lesser Goldfinch (Carduelis psaltria), male...
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CHSP_042830_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), adults...
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CCCA_2_042742_Rolfnp_...jpg
Claret Cup Cactus (Echinocereus...
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BAOR_042586_Rolfnp_Ba...jpg
Baltimore Oriole (Icterus galbula), adult male...
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RTHU_029671_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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SHCA_028044_Rolfnp_St...jpg
Strawberry Hedgehog Cactus (Echinocereus...
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PRSP_027803_Rolfnp_Pr...jpg
Prairie Spiderwort (Tradescantia occidentalis),...
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LABE,026891,Rolfnp,La...jpg
Multicolored Asian lady beetle (Harmonia...
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CLBO_027595_Rolfnp_Cl...jpg
Clearwing borer (Sesiidae), adult on Gerbera...
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_WDRA_027869.jpg
Western Diamondback Rattlesnake (Crotalus...
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PRSP_027811_Rolfnp_Pr...jpg
Prairie Spiderwort (Tradescantia occidentalis),...
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BTHU_025110.jpg
Blue-throated Hummingbird (Lampornis...
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BISH_027237.jpg
Bighorn Sheep, Mountain Sheep(Ovis canadensis),...
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SWTR_025834.jpg
Linden tree (Tilia sp.), tree in spring,...
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ECGI_026087.jpg
Prickly pear cactus (Opuntia echios), Puerto...
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NBAR_026238.jpg
Nine-banded Armadillo (Dasypus novemcinctus),...
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BAOR_026371.jpg
Baltimore Oriole (Icterus galbula), male,...
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GISW_021111.jpg
Giant Swallowtail (Papilio cresphontes), adult...
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SPAI_012920.jpg
Mountains and wildflowers, Denja, Alicante,...
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YEWA_010673.jpg
Yellow Waterlily, Nymphaea mexicana, blooming...
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SWTR_013063.jpg
Linden trees with fall colors on hill top, Zug,...
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LUMO_019460.jpg
Luna Moth (Actias luna), adult on Eastern...
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LFOR_010478.jpg
Loose-flowered Orchid, Orchis laxiflora...
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LABE_018811.jpg
Ladybug Beetle (Coccinellidae), adult on...
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GCBR_009861.jpg
Green-crowned Brilliant, Heliodoxa jacula,...
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FLLA_012669.jpg
Pine trees at sunset, Oscar Scherer State Park,...
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YRWA_043518_Rolfnp_Ye...jpg
Yellow-rumped Warbler (Dendroica coronata),...
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YRWA_043413_Rolfnp_Ye...jpg
Yellow-rumped Warbler (Dendroica coronata),...
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YRWA_043370_Rolfnp_Ye...jpg
Yellow-rumped Warbler (Dendroica coronata),...
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WSJA_043498_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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WSJA_043367_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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WSJA_043190_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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TEPA_043530_Rolfnp_Pa...jpg
Dwarf Palmetto (Sabal minor), Palmetto State...
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RUHU_045377_Rolfnp_Ru...jpg
Rufous Hummingbird (Selasphorus rufus), young...
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RTHU_045411_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_045408_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_045396_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_045381_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RTHU_045374_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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RECO_043523_Rolfnp_ R...jpg
Red Columbine (Aquilegia canadensis), blooming,...
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RCKI_043214_Rolfnp_Ru...jpg
Ruby-crowned Kinglet (Regulus calendula), adult...
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PIWA_043241_Rolfnp_Pi...jpg
Pine Warbler (Dendroica pinus), adult male...
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PIWA_043167_Rolfnp_Pi...jpg
Pine Warbler (Dendroica pinus), adult male...
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PISI_043509_Rolfnp_Pi...jpg
Pine Siskin (Carduelis pinus), adult perched on...
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PISI_043507_Rolfnp_Pi...jpg
Pine Siskin (Carduelis pinus), adult perched on...
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PISI_043431_Rolfnp_Pi...jpg
Pine Siskin (Carduelis pinus), adult perched on...
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PISI_043185_Rolfnp_Pi...jpg
Pine Siskin (Carduelis pinus), adult perched on...
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PETR_043125_Rolfnp_Pe...jpg
Peach tree (Prunus persica), buds opening,...
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PETR_043120_Rolfnp_Pe...jpg
Peach tree (Prunus persica), buds opening,...
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OROR_043932_Rolfnp_Or...jpg
Orchard Oriole (Icterus spurius), male feeding...
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OCWA_043166_Rolfnp_Or...jpg
Orange-crowned Warbler ( Vermivora celata),...
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NOCA_043267_Rolfnp_No...jpg
Northern Cardinal ( Cardinalis cardinalis),...
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NOCA_043250_Rolfnp_No...jpg
Northern Cardinal ( Cardinalis cardinalis),...
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NBCE_045321_Rolfnp_Ni...jpg
Sphinx Moth (Sphingidae), adult at night...
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NBCE_044816_Rolfnp_Ni...jpg
Night-blooming Cereus (Acanthocereus...
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MEPL_043362_Rolfnp_Me...jpg
Mexican Plum (Prunus mexicana), buds opening,...
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MEPL_043356_Rolfnp_Me...jpg
Mexican Plum (Prunus mexicana), buds opening,...
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MEPL_043350_Rolfnp_Me...jpg
Mexican Plum (Prunus mexicana), buds opening,...
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LBWO_043515_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_043490_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_043484_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_043479_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_043259_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_043213_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_043161_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_043146_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_043143_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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DRPH_043703_Rolfnp_ D...jpg
Drummond Phlox, Annual Phlox (Phlox drummondii)...
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DRPH_043650_Rolfnp_ D...jpg
Drummond Phlox, Annual Phlox (Phlox drummondii)...
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CHSP_043459_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), adult...
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CHSP_043382_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), adult...
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CHSP_043174_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), adult...
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CACH_043436_Rolfnp_Ca...jpg
Carolina Chickadee (Poecile carolinensis),...
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CACH_043269_Rolfnp_Ca...jpg
Carolina Chickadee (Poecile carolinensis),...
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CACH_043245_Rolfnp_Ca...jpg
Carolina Chickadee (Poecile carolinensis),...
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BOPA_045152_Rolfnp_ B...jpg
Bordered Patch (Chlosyne lacinia), butterfly...
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BOPA_045140_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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BLPW_043939_Rolfnp_Bl...jpg
Blackpoll Warbler (Dendroica striata), female...
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BEWR_043202_Rolfnp_Be...jpg
Bewick's Wren (Thryomanes bewickii), adult...
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BCTI_043464_Rolfnp_Bl...jpg
Black-crested Titmouse (Baeolophus...
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BCTI_043209_Rolfnp_Bl...jpg
Black-crested Titmouse (Baeolophus...
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BCHU_043550_Rolfnp_ B...jpg
Black-chinned Hummingbird (Archilochus...