Search Results
Your search yielded 339 images
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RTBE_021653.jpg
Rowan tree (Sorbus aucuparia), berries in hoar...
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AMBI_021052.jpg
American Bison, Buffalo (Bison bison), adult in...
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AMBI_021053.jpg
American Bison, Buffalo (Bison bison), adult in...
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AMBI_021042.jpg
American Bison, Buffalo (Bison bison), adult in...
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PIWA_043105_Rolfnp_Pi...jpg
Pine Warbler (Dendroica pinus), immature female...
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LEGO_043028_Rolfnp_Le...jpg
Lesser Goldfinch (Carduelis psaltria), adult...
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SWTR_025931.jpg
Linden tree (Tilia sp.),bare tree with frost in...
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SPNU_018009.jpg
Spotted Nutcracker (Nucifraga caryocatactes),...
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CRTI_015223.jpg
Crested Tit, Parus cristatus, adult on branch...
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COCH_017871.jpg
Common Chaffinch (Fringilla coelebs), adult...
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SPNU_018162.jpg
Spotted Nutcracker (Nucifraga caryocatactes),...
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SACR_005024.jpg
Sandhill Crane, Grus canadensis,adult in frost,...
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TXMA_047740_Rolfnp_Ma...jpg
Frost covered plants, Marathon, West Texas, USA
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TXBB_047789_Rolfnp_Bi...jpg
Frost covered plants, Big Bend National Park,...
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YRWA_042901_Rolfnp_Ye...jpg
Yellow-rumped Warbler (Dendroica coronata),...
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YRWA_042889_Rolfnp_Ye...jpg
Yellow-rumped Warbler (Dendroica coronata),...
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YRWA_042867_Rolfnp_Ye...jpg
Yellow-rumped Warbler (Dendroica coronata),...
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YRWA_042846_Rolfnp_Ye...jpg
Yellow-rumped Warbler (Dendroica coronata),...
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YRWA_042845_Rolfnp_Ye...jpg
Yellow-rumped Warbler (Dendroica coronata),...
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YRWA_042843_Rolfnp_Ye...jpg
Yellow-rumped Warbler (Dendroica coronata),...
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WWDO_042969_Rolfnp_Wh...jpg
White-winged Dove (Zenaida asiatica), adult...
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WWDO_042954_Rolfnp_Wh...jpg
White-winged Dove (Zenaida asiatica), adult...
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WWDO_042897_Rolfnp_Wh...jpg
White-winged Dove (Zenaida asiatica), adult...
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WWDO_042895_Rolfnp_Wh...jpg
White-winged Dove (Zenaida asiatica), adult...
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WWDO_042893_Rolfnp_Wh...jpg
White-winged Dove (Zenaida asiatica), adult...
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WWDO_042855_Rolfnp_Wh...jpg
White-winged Dove (Zenaida asiatica), adult...
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WWDO_042850_Rolfnp_Wh...jpg
White-winged Dove (Zenaida asiatica), adult...
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WSJA_043087_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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WSJA_042881_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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PIWA_043038_Rolfnp_Pi...jpg
Pine Warbler (Dendroica pinus), immature female...
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PIWA_042927_Rolfnp_Pi...jpg
Pine Warbler (Dendroica pinus), immature female...
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PETR_042839_Rolfnp_Pe...jpg
Peach tree (Prunus persica), frost covered...
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OCWA_043068_Rolfnp_Or...jpg
Orange-crowned Warbler (Vermivora celata),...
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OCWA_043054_Rolfnp_Or...jpg
Orange-crowned Warbler (Vermivora celata),...
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OCWA_042947_Rolfnp_Or...jpg
Orange-crowned Warbler (Vermivora celata),...
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OCWA_042944_Rolfnp_Or...jpg
Orange-crowned Warbler (Vermivora celata),...
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OCWA_042914_Rolfnp_Or...jpg
Orange-crowned Warbler (Vermivora celata),...
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OCWA_042875_Rolfnp_Or...jpg
Orange-crowned Warbler (Vermivora celata),...
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NOCA_042934_Rolfnp_No...jpg
Northern Cardinal (Cardinalis cardinalis),...
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LISP_042978_Rolfnp_Li...jpg
Lincoln's Sparrow (Melospiza lincolnii), adult...
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LEGO_043032_Rolfnp_Le...jpg
Lesser Goldfinch (Carduelis psaltria), adult...
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LEGO_043001_Rolfnp_Le...jpg
Lesser Goldfinch (Carduelis psaltria), adult...
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LEGO_042995_Rolfnp_Le...jpg
Lesser Goldfinch (Carduelis psaltria), adult...
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LEGO_042871_Rolfnp_Le...jpg
Lesser Goldfinch (Carduelis psaltria), adult...
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LBWO_043048_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_043042_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_042980_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_042926_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_042909_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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LBWO_042870_Rolfnp_La...jpg
Ladder-backed Woodpecker (Picoides scalaris),...
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CHSP_043097_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), adult...
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CHSP_043076_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), adult...
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CHSP_042983_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), adult...
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BEWR_042858_Rolfnp_Be...jpg
Bewick's Wren (Thryomanes bewickii), adult...
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BCTI_043077_Rolfnp_Bl...jpg
Black-crested Titmouse (Baeolophus bicolor),...
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BCTI_042955_Rolfnp_Bl...jpg
Black-crested Titmouse (Baeolophus bicolor),...
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BCTI_042913_Rolfnp_Bl...jpg
Black-crested Titmouse (Baeolophus bicolor),...
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BCTI_042903_Rolfnp_Bl...jpg
Black-crested Titmouse (Baeolophus bicolor),...
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TRYU_032249_Rolfnp_Tr...jpg
Trecul Yucca, Spanish Dagger (Yucca...
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NOMO_031894_Rolfnp_No...jpg
Northern Mockingbird (Mimus polyglottos), adult...
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NOMO_029974_Rolfnp_No...jpg
Northern Mockingbird (Mimus polyglottos), adult...
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NOCA_032274_Rolfnp_No...jpg
Northern Cardinal (Cardinalis cardinalis),...
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NOCA_029789_Rolfnp_No...jpg
Northern Cardinal (Cardinalis cardinalis), male...
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ICCR_029716_Rolfnp_Ic...jpg
Ice crystals on window, Dinero, Lake Corpus...
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GRJA_032393_Rolfnp_Gr...jpg
Green Jay (Cyanocorax yncas), adult on ice...
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GRJA_031928_Rolfnp_Gr...jpg
Green Jay (Cyanocorax yncas), adult perched on...
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GRJA_030102_Rolfnp_Gr...jpg
Green Jay (Cyanocorax yncas), adult perched on...
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GRJA_029725_Rolfnp_Gr...jpg
Green Jay (Cyanocorax yncas), adult perched on...
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GFWO_032362_Rolfnp_Go...jpg
Golden-fronted Woodpecker (Melanerpes...
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PIWA_031230_Rolfnp_Pi...jpg
Pine Warbler (Dendroica pinus), male perched on...
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NOCA_032274_Rolfnp_No...jpg
Northern Cardinal (Cardinalis cardinalis),...
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ICCR_029716_Rolfnp_Ic...jpg
Ice crystals on window, Dinero, Lake Corpus...
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GRJA_032283_Rolfnp_Gr...jpg
Green Jay (Cyanocorax yncas), adult perched on...
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CHSP_031866_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), pair...
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CHSP_027650_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina),...
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_CHSP_027652.jpg
Chipping Sparrow (Spizella passerina), adult on...
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_CHSP_027625.jpg
Chipping Sparrow (Spizella passerina), adult on...
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CHSP_027670_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), adult on...
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CHSP_027650_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina),...
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CHSP_027649_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), adult on...
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ELKS_027116.jpg
Elk, Wapiti (Cervus elaphus), bull bugling in...
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NCPL_026620.jpg
American Sweetgum (Liquidambar styraciflua),...
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NCPL_026611.jpg
Scarlet Oak (Quercus coccinea) and Longleaf...
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NCPL_026583.jpg
Cypress Vine (Ipomoea quamoclit), frost...
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NCPL_026563.jpg
American Sweetgum (Liquidambar styraciflua),...
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NCPL_026549.jpg
American Sweetgum (Liquidambar styraciflua),...
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NCPL_026545.jpg
Eastern Black oak (Quercus velutina), leaf...
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NCPL_026533.jpg
American Sweetgum (Liquidambar styraciflua),...
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NCMU_026633.jpg
Polypore Mushroom on Shining clubmoss...
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SWTR_025925.jpg
Linden tree (Tilia sp.),bare tree with frost in...
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STSU_026617.jpg
Dwarf Sumac (Rhus copallina), frost covered,...
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NCPL_026560.jpg
Marsh Mallow (Althaea officinalis), close up of...
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BTDA_026586.jpg
Blue-tipped Dancer (Argia tibialis),...
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WITI_005159.jpg
Willow Tit (Parus montanus), pair, St. Moritz,...
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WCSP_002704.jpg
White-crowned Sparrow, Zonotrichia...
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SWWA_013076.jpg
Frost on Birch trees, Finstersee, Zug,...
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SWLA_021937.jpg
Bare trees with frost in winter, Switzerland
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WYYS_021227.jpg
Cottonwood tree (Populus sp.) frost covered,...
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BLMA_011134.jpg
Black-billed Magpie, Pica hudsonia, adult on...
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WITI_018396.jpg
Willow Tit (Parus montanus), adult on frost...