Search Results
Your search yielded 409 images
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GTGR_043975_Rolfnp_Gr...jpg
Great-tailed Grackle (Quiscalus mexicanus),...
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ELKS_011209.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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BTGO_013702.jpg
Black-tailed Godwit, Limosa limosa, adult in...
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WSBL_005191.jpg
White-spotted Bluethroat, Luscinia svecica...
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HASP_004736.jpg
Harris's Sparrow, Zonotrichia querula, adult...
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STFL_028058_Rolfnp_Sc...jpg
Scissor-tailed Flycatcher (Tyrannus...
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GPNT_028012_Rolfnp_Gr...jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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_COSP_027989.jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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COWA_024897.jpg
Colima Warbler (Vermivora crissalis), male...
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BLTI_025948.jpg
Blue Tit (Parus caeruleus), adult perched on a...
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SACR_026757.jpg
Sandhill Crane (Grus canadensis), adult in...
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ELKS_010958.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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DUNL_001851.jpg
Dunlin, Calidris alpina,adult scratching,...
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CAPE_004071.jpg
Capercaillie, Tetrao urogallus,male displaying,...
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TUVU_001582.jpg
Turkey Vulture, Cathartes aura,adult, Starr...
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TOTO_021967.jpg
Toco Toucan (Ramphastos toco), adult in mango...
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STJA_005099.jpg
Steller's Jay, Cyanocitta stelleri, adult...
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LEPC_014635.jpg
Lesser Prairie-Chicken, Tympanuchus...
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GWGU_004726.jpg
Glaucous-winged Gull, Larus glaucescens,adults...
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GFWO_003410.jpg
Golden-fronted Woodpecker, Melanerpes...
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COBU_013755.jpg
Corn Bunting, Miliaria calandra, adult singing,...
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BLUE_004387.jpg
Bluethroat, Luscinia svecica, male flapping...
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WSJA_042878_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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BLSK_042063_Rolfnp_Bl...jpg
Black Skimmer (Rynchops niger), adult with...
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BLSK_042062_Rolfnp_Bl...jpg
Black Skimmer (Rynchops niger), adult with...
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AMAV_027362.jpg
American Avocet (Recurvirostra americana),...
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WETO_000363.jpg
Western Green Toad, Bufo debilis insidior, male...
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LEPC_014593.jpg
Lesser Prairie-Chicken, Tympanuchus...
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GCTO_007422.jpg
Gulf Coast Toad, Bufo valliceps, male at night...
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ALMA_013569.jpg
Alpine Marmot, Marmota marmota, adult standing...
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WCSP_006944.jpg
White-crowned Sparrow, Zonotrichia leucophrys,...
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EUSL_013803.jpg
Eurasian Skylark, Alauda arvensis, male...
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CAGO_010914.jpg
Canada Goose, Branta canadensis, adult calling,...
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ELKS_027099.jpg
Elk, Wapiti (Cervus elaphus), bull in velvet,...
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ELKS_026665.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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BLGR_004070.jpg
Black Grouse, Tetrao tetrix,male displaying,...
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AMRO_005538.jpg
American Robin, Turdus migratorius,male...
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YEWA_021700.jpg
Yellow Wagtail (Motacilla flava), male singing,...
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RNPH_014017.jpg
Ring-necked Pheasant, Phasianus colchicus,male...
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027482.jpg
Glass Frog (Cochranella truebae), male calling...
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ELKS_027107.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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ELKS_026814.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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ELKS_026659.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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SUTA_002780.jpg
Summer Tanager, Piranga rubra, female calling,...
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PLCH_004211.jpg
Plain Chachalaca, Ortalis vetula, adult calling...
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GCTO_007416.jpg
Gulf Coast Toad, Bufo valliceps, male at night...
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CRLA_002534.jpg
Crested Lark, Galerida cristata, adult singing,...
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CRCA_001355.jpg
Crested Caracara, Caracara plancus, adult...
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CAPE_004459.jpg
Capercaillie, Tetrao urogallus,male displaying,...
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BLGU_004374.jpg
Black Guillemot, Cepphus grylle,adult calling,...
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ANHI_004235.jpg
Anhinga, Anhinga anhinga, male calling and...
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METF_000160.jpg
Mediterranean Treefrog, Hyla meridionalis, male...
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KILL_001829.jpg
Killdeer, Charadrius vociferus, adult in Texas...
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ELKS_010969.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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TETO_019926.jpg
Texas Toad (Bufo speciosus), male calling sac...
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GFWO_004645.jpg
Golden-fronted Woodpecker, Melanerpes...
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ELTR_000304.jpg
Elegant Trogon, Trogon elegans, male calling,...
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TOTO_021970.jpg
Toco Toucan (Ramphastos toco), adult in mango...
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PABU_004910.jpg
Painted Bunting, Passerina ciris,female on...
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Elk,_001002.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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COBU_013750.jpg
Corn Bunting, Miliaria calandra, adult singing,...
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LEPC_014603.jpg
Lesser Prairie-Chicken, Tympanuchus...
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LBTH_019797.jpg
Long-billed Thrasher (Toxostoma longirostre),...
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KILL_008546.jpg
Killdeer, Charadrius vociferus, adult calling,...
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CTFR_021929.jpg
Common Tree Frog (Hyla arborea), adult at night...
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BAEA_004281.jpg
Bald Eagle, Haliaeetus leucocephalus,adult...
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AMAL_022176.jpg
American Alligator (Alligator mississipiensis),...
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WILL_043979_Rolfnp_Wi...jpg
Willet (Catoptrophorus semipalmatus), adult...
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COBL,018275,Rolfnp,Co...jpg
Common Blackbird (Turdus merula), male singing,...
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GPNA_027403.jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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ELKS_027108.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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ELKS_027116.jpg
Elk, Wapiti (Cervus elaphus), bull, Yellowstone...
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WOST_003752.jpg
Wood Duck, Aix sponsa,male calling, New...
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CTFR_021928.jpg
Common Tree Frog (Hyla arborea), adult at night...
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LALO_004775.jpg
Lapland Longspur, Calcarius lapponicus,male...
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GRJA_002246.jpg
Green Jay, Cyanocorax yncas,adults fighting on...
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DUNL_004545.jpg
Dunlin, Calidris alpina,adult calling,...
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CBTH_008760.jpg
Curve-billed Thrasher, Toxostoma curvirostre,...
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BBWD_004334.jpg
Black-bellied Whistling-Duck, Dendrocygna...
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LEPC_014705.jpg
Lesser Prairie-Chicken, Tympanuchus...
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TOTO_021737.jpg
Toco Toucan (Ramphastos toco), adult eating...
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LEPC_014634.jpg
Lesser Prairie-Chicken, Tympanuchus...
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ELKS_010950.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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CWMA_015827.jpg
Club-winged Manakin (Machaeropterus...
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BEWH_004351.jpg
Black-eared Wheatear, Oenanthe hispanica, male...
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LETE_042245_Rolfnp_Le...jpg
Least Tern (Sterna antillarum), young tern...
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BRCO_029387_Rolfnp_Br...jpg
Bronzed Cowbird (Molothrus aeneus), males,...
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BRCO_034518_Rolfnp_Br...jpg
Bronzed Cowbird (Molothrus aeneus), males,...
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HOOR_027957_Rolfnp_Ho...jpg
Hooded Oriole (Icterus cucullatus), male eating...
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COSP_027988_Rolfnp_Co...jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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COSP_027864_Rolfnp_Co...jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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NPOW,027447,Franz_Rol...jpg
Northern Pygmy-Owl (Glaucidium gnoma), male...
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ELKS_027112.jpg
Elk, Wapiti (Cervus elaphus), bulls fighting,...
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ELKS_027109.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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ELKS_027102.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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SWHA_011069.jpg
Swainson's Hawk, Buteo swainsoni, adult calling...
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PABU_002079.jpg
Painted Bunting, Passerina ciris,male singing...
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NOFL_005835.jpg
Northern Flicker,Colaptes auratus,Red-shafted...
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MALL_004825.jpg
Mallard, Anas platyrhynchos, pair interacting,...
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LALO_004777.jpg
Lapland Longspur, Calcarius lapponicus,male...