Search Results
Your search yielded 5540 images
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PAAR_000333.jpg
Grassland with Agave, Agave ssp., Elgin,...
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ARLA_012577.jpg
Grassland with Agave, Agave ssp., Elgin,...
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PAAR_000334.jpg
Grassland with Agave, Agave ssp., Elgin,...
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PABU_024516.jpg
Painted Bunting (Passerina ciris) Indigo...
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PABU_024514.jpg
Painted Bunting (Passerina ciris), male feeding...
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GGOW_021322.jpg
Great Grey Owl (Strix nebulosa), adult in tree,...
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OROR_024634.jpg
Orchard Oriole (Icterus spurius), female on...
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DICK_024638.jpg
Dickcissel (Spiza americana), male on...
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COPA_026364.jpg
Common Pauraque (Nyctidromus albicollis), adult...
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COPA_026359.jpg
Common Pauraque (Nyctidromus albicollis), adult...
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GRBE_021357.jpg
Grizzly Bear (Ursus arctos horribilis), adult,...
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COPA_021419.jpg
Common Pauraque (Nyctidromus albicollis), adult...
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AMBI_021052.jpg
American Bison, Buffalo (Bison bison), adult in...
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AMRO_021410.jpg
American Robin (Turdus migratorius), adult...
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GGOW_027313.jpg
Great Grey Owl (Strix nebulosa), adult in tree,...
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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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INBU_024761.jpg
Indigo Bunting (Passerina cyanea), male on...
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INBU_024619.jpg
Indigo Bunting (Passerina cyanea) male feeding...
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INBU_024538.jpg
Indigo Bunting (Passerina cyanea) male feeding...
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INBU_024529.jpg
Indigo Bunting (Passerina cyanea) male feeding...
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INBU_024507.jpg
Indigo Bunting (Passerina cyanea) males feeding...
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GGOW_021331.jpg
Great Grey Owl (Strix nebulosa), adult in tree,...
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INBU_024615.jpg
Indigo Bunting (Passerina cyanea) male feeding...
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INBU_024491.jpg
Indigo Bunting (Passerina cyanea) male feeding...
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TEBB_013130.jpg
Claret Cup Cactus, Echinocereus...
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INBU_024506.jpg
Indigo Bunting (Passerina cyanea), female...
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SPEY_014042.jpg
Spring Pheasant's Eye, Adonis vernalis,...
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SPEY_014032.jpg
Spring Pheasant's Eye, Adonis vernalis,...
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SPEY_014033.jpg
Spring Pheasant's Eye, Adonis vernalis,...
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SPEY_014048.jpg
Spring Pheasant's Eye, Adonis vernalis,...
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SPEY_014039.jpg
Spring Pheasant's Eye, Adonis vernalis,...
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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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YBCO_041854_Rolfnp_Ye...jpg
Yellow-billed Cuckoo (Coccyzus americanus),...
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WLSP_042761_Rolfnp_Wh...jpg
White-lined sphinx (Hyles lineata), adult in...
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WLSP_042749_Rolfnp_Wh...jpg
White-lined sphinx (Hyles lineata), adult in...
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SLOR_042350_Rolfnp_Sl...jpg
Sleepy Orange (Eurema nicippe), newly hatched...
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QUEE_041352_Rolfnp_Qu...jpg
Queen (Danaus gilippus), adult feeding on...
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NOBO_041925_Rolfnp_No...jpg
Northern Bobwhite (Colinus virginianus), young...
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MONA_07_041302_Rolfnp...jpg
Monarch (Danaus plexippus), butterfly emerging...
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MGSQ_041882_Rolfnp_Me...jpg
Mexican Ground Squirrel (Spermophilus...
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HOSP_042446_Rolfnp_Ho...jpg
House Sparrow (Passer domesticus), female...
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HOSP_042443_Rolfnp_Ho...jpg
House Sparrow (Passer domesticus), female...
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HOSP_042441_Rolfnp_Ho...jpg
House Sparrow (Passer domesticus), female...
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GRRO_041968_Rolfnp_Gr...jpg
Greater Roadrunner (Geococcyx californianus),...
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GISW_042726_Rolfnp_Gi...jpg
Giant Swallowtail (Papilio cresphontes), adult...
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COPE_042387_Rolfnp_Co...jpg
Collared Peccary, Javelina (Tayassu tajacu),...
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CHSP_043098_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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BHCO_042527_Rolfnp_Br...jpg
Brown-headed Cowbird (Molothrus ater), adult...
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BHCO_042467_Rolfnp_Br...jpg
Brown-headed Cowbird (Molothrus ater), male...
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SBSC_040935_Rolfnp_St...jpg
Striped Bark Scorpion (Centruroides vittatus),...
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RTHU_029671_Rolfnp_Ru...jpg
Ruby-throated Hummingbird (Archilochus...
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GRJA_029515_Rolfnp_Gr...jpg
Green Jay (Cyanocorax yncas), adult in flight,...
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CHSP_031866_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina), pair...
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BRCO_034518_Rolfnp_Br...jpg
Bronzed Cowbird (Molothrus aeneus), males,...
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BLVU_034586_Rolfnp_Bl...jpg
Black Vulture (Coragyps atratus), adults...
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BCHU_029589_Rolfnp_Bl...jpg
Black-chinned Hummingbird (Archilochus...
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VIBU_034258_Rolfnp_Vi...jpg
Viceroy Butterfly (Limenitis archippus), adult...
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BCHU_034458_Rolfnp_Bl...jpg
Black-chinned Hummingbird (Archilochus...
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SHCA_028044_Rolfnp_St...jpg
Strawberry Hedgehog Cactus (Echinocereus...
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READ_027585_Rolfnp_Re...jpg
Red Admiral (Vanessa atalanta), adult on...
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PRSP_027803_Rolfnp_Pr...jpg
Prairie Spiderwort (Tradescantia occidentalis),...
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LBFL_027877_Rolfnp_La...jpg
Large Bee Fly (Bombylius sp.), adult in flight...
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LABE,026958,Rolfnp,La...jpg
Multicolored Asian lady beetle (Harmonia...
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LABE,026891,Rolfnp,La...jpg
Multicolored Asian lady beetle (Harmonia...
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COKI,027379,Rolfnp.jpg
Couch's Kingbird (Tyrannus couchii), adult...
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CLBO_027595_Rolfnp_Cl...jpg
Clearwing borer (Sesiidae), adult on Gerbera...
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BYMD_028142_Rolfnp_Bl...jpg
Black and yellow Mud Dauber (Sceliphron...
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BIMA_027521_Rolfnp_Bi...jpg
Bigtooth Maples (Acer grandidentatum), fall...
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BIMA_027518_Rolfnp_Bi...jpg
Bigtooth Maples (Acer grandidentatum), autumn...
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BCHU_028862_Rolfnp_Bl...jpg
Black-chinned Hummingbird (Archilochus...
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_WDRA_027869.jpg
Western Diamondback Rattlesnake (Crotalus...
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_CHSP_027625.jpg
Chipping Sparrow (Spizella passerina), adult on...
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BCHU_028540_Rolfnp_Bl...jpg
Black-chinned Hummingbird (Archilochus...
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PRSP_027811_Rolfnp_Pr...jpg
Prairie Spiderwort (Tradescantia occidentalis),...
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CHSP_027650_Rolfnp_Ch...jpg
Chipping Sparrow (Spizella passerina),...
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DEJU_027446_Rolfnp_Da...jpg
Dark-eyed Junco (Junco hyemalis), adult in...
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COKI_027379.jpg
Couch's Kingbird (Tyrannus couchii), adult...
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CHWH_027418.jpg
Checkered White (Pontia protodice), adult...
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CATO_027401.jpg
Cane Toad, Marine Toad, Giant Toad (Bufo...
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BTJA_027392.jpg
Black-tailed Jackrabbit (Lepus californicus),...
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BTJA_027388.jpg
Black-tailed Jackrabbit (Lepus californicus),...
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CAGO,004,Franz_Rolfnp...jpg
Canada Goose, Branta canadensis, young,...
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SGCI_025530.jpg
Superb Green Cicada (Tibicen superba), adult...
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SGCI_025431.jpg
Superb Green Cicada (Tibicen superba), adult...
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PYRR_024096.jpg
Pyrrhuloxia (Cardinalis sinuatus), adult male...
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CHSP_023590.jpg
Chipping Sparrow (Spizella passerina), adult on...
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WTDE_027077.jpg
White-tailed Deer (Odocoileus virginianus),...
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ELKS_027115.jpg
Elk, Wapiti (Cervus elaphus), bull rubbing...
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ELKS_027107.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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REFO_027154.jpg
Red Fox (Vulpes vulpes), young, Colorado, USA
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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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EUST_025922.jpg
European Starling (Sturnus vulgaris), Flock...
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BFBO_025858.jpg
Blue-footed Booby (Sula nebouxii), adult,...
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SWTR_026003.jpg
Linden tree (Tilia sp.), tree in summer,...
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EUBE_025975.jpg
European Bee-eater (Merops apiaster), adult...
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CHAM_026013.jpg
Chamois (Rupicapra rupicapra), female with...