Search Results
Your search yielded 5541 images
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PAAR_000334.jpg
Grassland with Agave, Agave ssp., Elgin,...
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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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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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OROR_024634.jpg
Orchard Oriole (Icterus spurius), female on...
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GGOW_021322.jpg
Great Grey Owl (Strix nebulosa), adult in tree,...
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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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AMRO_021410.jpg
American Robin (Turdus migratorius), adult...
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AMBI_021052.jpg
American Bison, Buffalo (Bison bison), adult in...
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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_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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INBU_024491.jpg
Indigo Bunting (Passerina cyanea) male feeding...
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INBU_024619.jpg
Indigo Bunting (Passerina cyanea) male feeding...
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INBU_024615.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_024506.jpg
Indigo Bunting (Passerina cyanea), female...
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GGOW_021331.jpg
Great Grey Owl (Strix nebulosa), adult in tree,...
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TEBB_013130.jpg
Claret Cup Cactus, Echinocereus...
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SPEY_014042.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_014032.jpg
Spring Pheasant's Eye, Adonis vernalis,...
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SPEY_014039.jpg
Spring Pheasant's Eye, Adonis vernalis,...
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SPEY_014048.jpg
Spring Pheasant's Eye, Adonis vernalis,...
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HODU_044378_Rolfnp_Ho...jpg
Horace's Duskywing (Erynnis horatius), adult on...
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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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TEBL_046541_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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WLSP_050166_Rolfnp_Wh...jpg
White-lined sphinx (Hyles lineata), adult in...
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QUEE_051613_Rolfnp_Qu...jpg
Queen (Danaus gilippus), adult feeding on...
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QUEE_051576_Rolfnp_Qu...jpg
Queen (Danaus gilippus), adult feeding on...
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TEBL_046537_Rolfnp_Te...jpg
Texas Bluebonnet (Lupinus texensis), mixed...
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SABL_046340_Rolfnp_Sa...jpg
Sandyland bluebonnet (Lupinus subcarnosus),...
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WTDE_047830_Rolfnp_Wh...jpg
White-tailed Deer (Odocoileus virginianus),...
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BCHU_047734_Rolfnp_Bl...jpg
Black-chinned Hummingbird (Archilochus...
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YBCO_041854_Rolfnp_Ye...jpg
Yellow-billed Cuckoo (Coccyzus americanus),...
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YBCO_041845_Rolfnp_Ye...jpg
Yellow-billed Cuckoo (Coccyzus americanus),...
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WTDO_042466_Rolfnp_Wh...jpg
White-tipped Dove (Leptotila verreauxi), adult...
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WTDE_041892_Rolfnp_Wh...jpg
White-tailed Deer (Odocoileus virginianus),...
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WLSP_042761_Rolfnp_Wh...jpg
White-lined sphinx (Hyles lineata), adult in...
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WLSP_042759_Rolfnp_Wh...jpg
White-lined sphinx (Hyles lineata), adult in...
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WLSP_042753_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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QUEE_041343_Rolfnp_Qu...jpg
Queen (Danaus gilippus), adult feeding on...
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PABU_041902_Rolfnp_Pa...jpg
Painted Bunting (Passerina ciris), adult male...
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NOBO_042471_Rolfnp_No...jpg
Northern Bobwhite (Colinus virginianus), male...
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NOBO_042423_Rolfnp_No...jpg
Northern Bobwhite (Colinus virginianus), male...
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NOBO_042421_Rolfnp_No...jpg
Northern Bobwhite (Colinus virginianus), male...
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NOBO_042404_Rolfnp_No...jpg
Northern Bobwhite (Colinus virginianus), male...
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NOBO_041925_Rolfnp_No...jpg
Northern Bobwhite (Colinus virginianus), young...
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NOBO_041919_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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MONA_05_041308_Rolfnp...jpg
Monarch (Danaus plexippus), butterfly emerging...
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MONA_041251_Rolfnp_Mo...jpg
Monarch (Danaus plexippus), butterfly emerging...
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MONA_020_041269_Rolfn...jpg
Monarch (Danaus plexippus), butterfly emerging...
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MONA_016_041283_Rolfn...jpg
Monarch (Danaus plexippus), butterfly emerging...
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MONA_014_041289_Rolfn...jpg
Monarch (Danaus plexippus), butterfly emerging...
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MODO_041898_Rolfnp_Mo...jpg
Mourning Dove (Zenaida macroura), adult at pond...
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MGSQ_041882_Rolfnp_Me...jpg
Mexican Ground Squirrel (Spermophilus...
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MGSQ_041860_Rolfnp_Me...jpg
Mexican Ground Squirrel (Spermophilus...
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LYSU_042580_Rolfnp_Ly...jpg
Lyside Sulphur (Kricogonia lyside), adult...
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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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HOSP_042440_Rolfnp_Ho...jpg
House Sparrow (Passer domesticus), female...
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HOSP_042435_Rolfnp_Ho...jpg
House Sparrow (Passer domesticus), female...
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GRRO_042479_Rolfnp_Gr...jpg
Greater Roadrunner (Geococcyx californianus),...
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GRRO_041968_Rolfnp_Gr...jpg
Greater Roadrunner (Geococcyx californianus),...
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GRRO_041879_Rolfnp_Gr...jpg
Greater Roadrunner (Geococcyx californianus),...
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GRRO_041871_Rolfnp_Gr...jpg
Greater Roadrunner (Geococcyx californianus),...
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GRRO_041822_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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COSU_042355_Rolfnp_Co...jpg
Common Sunflower, Helianthus annuus, field in...
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COSU_042353_Rolfnp_Co...jpg
Common Sunflower, Helianthus annuus, field in...
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COSU_042352_Rolfnp_Co...jpg
Common Sunflower, Helianthus annuus, field in...
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COSU_042351_Rolfnp_Co...jpg
Common Sunflower, Helianthus annuus, field in...
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COPE_042387_Rolfnp_Co...jpg
Collared Peccary, Javelina (Tayassu tajacu),...
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COPE_042381_Rolfnp_Co...jpg
Collared Peccary, Javelina (Tayassu tajacu),...
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COPE_042380_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_043095_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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CGDO_042409_Rolfnp_Co...jpg
Common Ground-Dove (Columbina passerina), adult...
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BRCO_042453_Rolfnp_Br...jpg
Bronzed Cowbird (Molothrus aeneus), male...
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BRCO_042431_Rolfnp_Br...jpg
Bronzed Cowbird (Molothrus aeneus), male...
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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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BCHU_042714_Rolfnp_Bl...jpg
Black-chinned Hummingbird (Archilochus...