Search Results
Your search yielded 391 images
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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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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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ELTR_000304.jpg
Elegant Trogon, Trogon elegans, male calling,...
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WSJA_042881_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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BLSK_042129_Rolfnp_Bl...jpg
Black Skimmer (Rynchops niger), adult pair...
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_GPNT_028010.jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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_COSP_027989.jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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COSP_027400.jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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027478.jpg
Shreve's Sarayacu Tree Frog (Hyla...
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BTPD_027190.jpg
Black-tailed Prairie Dog (Cynomys...
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RNPH_014019.jpg
Ring-necked Pheasant, Phasianus colchicus,male...
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NOFL_005835.jpg
Northern Flicker,Colaptes auratus,Red-shafted...
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NATO_000176.jpg
Natterjack Toad , Bufo calamita, male calling...
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METF_000159.jpg
Mediterranean Treefrog, Hyla meridionalis, male...
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GRTR_000151.jpg
Green Treefrog, Hyla cinerea, male calling at...
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GCTO_007421.jpg
Gulf Coast Toad, Bufo valliceps, male at night...
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GCTO_007419.jpg
Gulf Coast Toad, Bufo valliceps, male at night...
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GCTO_000129.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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GCTO_000127.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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ELKS_011274.jpg
Elk, Wapiti, Cervus elaphus, bull calling in...
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ELKS_011241.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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ELKS_011230.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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ELKS_011212.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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BBWD_003855.jpg
Black-bellied Whistling-Duck, Dendrocygna...
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ANHI_001623.jpg
Anhinga, Anhinga anhinga, male calling and...
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GRTR_000147.jpg
Green Treefrog, Hyla cinerea, male calling at...
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GCTO_000126.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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ALMA_013574.jpg
Alpine Marmot, Marmota marmota, adult standing...
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TOTO_021730.jpg
Toco Toucan (Ramphastos toco), adult calling,...
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TETO_019961.jpg
Texas Toad (Bufo speciosus), male calling sac...
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STJA_005099.jpg
Steller's Jay, Cyanocitta stelleri, adult...
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SCQU_005036.jpg
Scaled Quail, Callipepla squamata,adult calling...
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RNPH_014023.jpg
Ring-necked Pheasant, Phasianus colchicus,male...
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RNPH_014017.jpg
Ring-necked Pheasant, Phasianus colchicus,male...
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NOFL_005848.jpg
Northern Flicker,Colaptes auratus,Red-shafted...
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BAEA_004284.jpg
Bald Eagle, Haliaeetus leucocephalus,immature...
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WILL_043979_Rolfnp_Wi...jpg
Willet (Catoptrophorus semipalmatus), adult...
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WSJA_042879_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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WSJA_042878_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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LETE_042245_Rolfnp_Le...jpg
Least Tern (Sterna antillarum), young tern...
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LETE_042103_Rolfnp_Le...jpg
Least Tern (Sterna antillarum), adult calling,...
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BLSK_042072_Rolfnp_Bl...jpg
Black Skimmer (Rynchops niger), adult in flight...
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BLSK_042071_Rolfnp_Bl...jpg
Black Skimmer (Rynchops niger), adult in flight...
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GRKI_029442_Rolfnp_Gr...jpg
Great Kiskadee (Pitangus sulphuratus), adult...
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GPNT_028012_Rolfnp_Gr...jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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GPNT_027865_Rolfnp_Gr...jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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COSP_028008_Rolfnp_Co...jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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COSP_027994_Rolfnp_Co...jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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COSP_027992_Rolfnp_Co...jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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COSP_027988_Rolfnp_Co...jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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COSP_027987_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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_COSP_027990.jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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WITU_027696_Rolfnp_Wi...jpg
Wild Turkey (Meleagris gallopavo), males...
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NPOW,027447,Franz_Rol...jpg
Northern Pygmy-Owl (Glaucidium gnoma), male...
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GPNA_027403.jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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COSP_027402.jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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027482.jpg
Glass Frog (Cochranella truebae), male calling...
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027387.jpg
Saddleback Tamarin (Saguinus fuscicollis),...
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NPOW_027361.jpg
Northern Pygmy-Owl (Glaucidium gnoma), male...
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GPDO_027166.jpg
Gunnison's Prairie Dog (Cynomys gunnisoni),...
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BAEA_027322.jpg
Bald Eagle (Haliaeetus leucocephalus), adult...
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AMAV_027362.jpg
American Avocet (Recurvirostra americana),...
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CAGO_026773.jpg
Canada Goose, Branta canadensis, adult in...
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WOST_003752.jpg
Wood Duck, Aix sponsa,male calling, New...
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WODU_003934.jpg
Wood Duck, Aix sponsa,male calling, New...
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WHST_014084.jpg
White Stork, Ciconia ciconia, adult calling on...
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WETO_000363.jpg
Western Green Toad, Bufo debilis insidior, male...
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WETO_000360.jpg
Western Green Toad, Bufo debilis insidior, male...
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WETO_000357.jpg
Western Green Toad, Bufo debilis insidior, male...
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SWHA_011069.jpg
Swainson's Hawk, Buteo swainsoni, adult calling...
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SUTA_002780.jpg
Summer Tanager, Piranga rubra, female calling,...
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EDFR_021927.jpg
Edible Frog (Rana esculenta), male in water...
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CTFR_021928.jpg
Common Tree Frog (Hyla arborea), adult at night...
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LAGU_004772.jpg
Laughing Gull, Larus atricilla, adult calling,...
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GFWO_008832.jpg
Golden-fronted Woodpecker, Melanerpes...
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GFWO_008509.jpg
Golden-fronted Woodpecker, Melanerpes...
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GCTO_007422.jpg
Gulf Coast Toad, Bufo valliceps, male at night...
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GCTO_000122.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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GAQU_000624.jpg
Gambel's Quail, Callipepla gambelii, male...
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ELKS_011209.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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ELKS_010958.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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DUNL_004545.jpg
Dunlin, Calidris alpina,adult calling,...
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CORE_013769.jpg
Common Redshank, Tringa totanus, adult...
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CEWA_015001.jpg
Cedar Waxwing, Bombycilla cedrorum, adult...
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CCFR_007255.jpg
Cliff Chirping Frog, Eleutherodactylus...
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BTGO_013703.jpg
Black-tailed Godwit, Limosa limosa, adult in...
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BBWD_004334.jpg
Black-bellied Whistling-Duck, Dendrocygna...
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ATPU_001601.jpg
Atlantic Puffin, Fratercula arctica, adult...
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ALMA_013569.jpg
Alpine Marmot, Marmota marmota, adult standing...
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NATO_000175.jpg
Natterjack Toad , Bufo calamita, male calling...
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GRTR_000136.jpg
Green Treefrog, Hyla cinerea, male calling at...
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GCTO_008053.jpg
Gulf Coast Toad, Bufo valliceps, male at night...
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GCTO_000121.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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Elk,_001002.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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Elk,_000968.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...
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ELKS_010969.jpg
Elk, Wapiti, Cervus elaphus, bull calling,...