Search Results
Your search yielded 323 images
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COSP_027864_Rolfnp_Co...jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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_COSP_027989.jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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027482.jpg
Glass Frog (Cochranella truebae), male calling...
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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_027990.jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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027478.jpg
Shreve's Sarayacu Tree Frog (Hyla...
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LEPC_014622.jpg
Lesser Prairie-Chicken, Tympanuchus...
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COSP_028008_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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TETO_019799.jpg
Texas Toad (Bufo speciosus), male calling sac...
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TETO_019926.jpg
Texas Toad (Bufo speciosus), male calling sac...
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TETO_019961.jpg
Texas Toad (Bufo speciosus), male calling sac...
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CTFR_021929.jpg
Common Tree Frog (Hyla arborea), adult at night...
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GPNA_027403.jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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_GPNT_028010.jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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CTFR_021928.jpg
Common Tree Frog (Hyla arborea), adult at night...
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TETO_019843.jpg
Texas Toad (Bufo speciosus), male calling sac...
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GPNT_028012_Rolfnp_Gr...jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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TETO_019930.jpg
Texas Toad (Bufo speciosus), male calling sac...
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TETO_019922.jpg
Texas Toad (Bufo speciosus), male calling sac...
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GPNT_028011_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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_GPNT_027866.jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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GPNA_027394.jpg
Great Plains Narrowmouth Toad (Gastrophryne...
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COSP_027400.jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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COSP_027402.jpg
Couch's Spadefoot (Scaphiopus couchii), adult...
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GRTR_000151.jpg
Green Treefrog, Hyla cinerea, male calling at...
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METF_000160.jpg
Mediterranean Treefrog, Hyla meridionalis, male...
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CWMA_015999.jpg
Club-winged Manakin (Machaeropterus...
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CWMA_016014.jpg
Club-winged Manakin (Machaeropterus...
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CWMA_015827.jpg
Club-winged Manakin (Machaeropterus...
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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_000121.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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NATO_000177.jpg
Natterjack Toad , Bufo calamita, male calling...
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GRTR_000137.jpg
Green Treefrog, Hyla cinerea, male calling at...
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GRTR_000147.jpg
Green Treefrog, Hyla cinerea, male calling at...
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GCTO_000127.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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GCTO_000126.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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FOTO_022379.jpg
Fowler's Toad (Bufo woodhousii fowleri), male...
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GCTO_000123.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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AMTO_022376.jpg
American toad (Bufo americanus), male at night...
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GCTO_000120.jpg
Gulf Coast Toad, Bufo valliceps, male calling...
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BRCO_034518_Rolfnp_Br...jpg
Bronzed Cowbird (Molothrus aeneus), males,...
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WILL_043979_Rolfnp_Wi...jpg
Willet (Catoptrophorus semipalmatus), adult...
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BLSK_042129_Rolfnp_Bl...jpg
Black Skimmer (Rynchops niger), adult pair...
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027531.jpg
Mountain Gorilla (Gorilla beringei beringei),...
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GTGR_043975_Rolfnp_Gr...jpg
Great-tailed Grackle (Quiscalus mexicanus),...
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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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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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HOOR_027922_Rolfnp_Ho...jpg
Hooded Oriole (Icterus cucullatus), male...
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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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COWA_024897.jpg
Colima Warbler (Vermivora crissalis), male...
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BCSP_024974.jpg
Black-chinned Sparrow (Spizella atrogularis),...
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WSJA_042881_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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WSJA_042879_Rolfnp_We...jpg
Western Scrub-Jay (Aphelocoma californica),...
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BLSK_042072_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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BRCO_034518_Rolfnp_Br...jpg
Bronzed Cowbird (Molothrus aeneus), males,...
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COKI,027379,Rolfnp.jpg
Couch's Kingbird (Tyrannus couchii), adult...
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COKI_027379.jpg
Couch's Kingbird (Tyrannus couchii), adult...
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LETE_042103_Rolfnp_Le...jpg
Least Tern (Sterna antillarum), adult calling,...
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BLSK_042071_Rolfnp_Bl...jpg
Black Skimmer (Rynchops niger), adult in flight...
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BRCO_029614_Rolfnp_Br...jpg
Bronzed Cowbird (Molothrus aeneus), pair,...
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BRCO_029387_Rolfnp_Br...jpg
Bronzed Cowbird (Molothrus aeneus), males,...
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GCWA_024422.jpg
Golden-cheeked Warbler (Dendroica chrysoparia),...
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WODU_043574_Rolfnp_Wo...jpg
Wood Duck (Aix sponsa), adult male calling,...
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NOPA_043948_Rolfnp_No...jpg
Northern Parula (Parula americana), adult male...
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GRKI_029442_Rolfnp_Gr...jpg
Great Kiskadee (Pitangus sulphuratus), adult...
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WITU_027696_Rolfnp_Wi...jpg
Wild Turkey (Meleagris gallopavo), males...
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__AMOY_028415.jpg
American Oystercatcher (Haematopus palliatus),...
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HOOR_027368.jpg
Hooded Oriole (Icterus cucullatus), male...
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COWA_024926.jpg
Colima Warbler (Vermivora crissalis), male...
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BCSP_024969.jpg
Black-chinned Sparrow (Spizella atrogularis),...
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BLSK_042268_Rolfnp_Bl...jpg
Black Skimmer (Rynchops niger), adult with...
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027387.jpg
Saddleback Tamarin (Saguinus fuscicollis),...
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HOOR_027924_Rolfnp_Ho...jpg
Hooded Oriole (Icterus cucullatus), male...
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EDFR_021927.jpg
Edible Frog (Rana esculenta), male in water...
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ELKS_027109.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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ELKS_027107.jpg
Elk, Wapiti (Cervus elaphus), bull bugling,...
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PLCH_004211.jpg
Plain Chachalaca, Ortalis vetula, adult calling...
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CASP_002649.jpg
Cassin's Sparrow, Aimophila cassinii, male...
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KILL_001829.jpg
Killdeer, Charadrius vociferus, adult in Texas...
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HEGU_004738.jpg
Herring Gull, Larus argentatus, adults, Hornoya...
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ELTR_000304.jpg
Elegant Trogon, Trogon elegans, male calling,...
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ELKS_027116.jpg
Elk, Wapiti (Cervus elaphus), bull, Yellowstone...
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LALO_004775.jpg
Lapland Longspur, Calcarius lapponicus,male...
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CBTH_008760.jpg
Curve-billed Thrasher, Toxostoma curvirostre,...
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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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BAEA_004281.jpg
Bald Eagle, Haliaeetus leucocephalus,adult...
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AMAL_022176.jpg
American Alligator (Alligator mississipiensis),...