David Welling / Black-throated sparrow (Amphispiza bilineata) male bathing in small pond, Rio Grande Valley of South Texas, USA, April
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David Welling / Black-throated sparrow (Amphispiza bilineata) perching on a mesquite log in the Rio Grande Valley of South Texas, USA, April
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Rolf Nussbaumer / Black-throated Sparrow (Amphispiza bilineata) on blooming Guayacan (Guaiacum angustifolium), Starr County, Rio Grande Valley, Texas, USA. April 2002
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Rolf Nussbaumer / Black-throated Sparrow (Amphispiza bilineata) on Texas Prickly Pear Cactus (Opuntia lindheimeri), Starr County, Rio Grande Valley, Texas, USA. April 2002
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Rolf Nussbaumer / Black-throated Sparrow (Amphispiza bilineata) on blooming Guayacan (Guaiacum angustifolium), Starr County, Rio Grande Valley, Texas, USA. April 2002
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Rolf Nussbaumer / Black-throated Sparrow (Amphispiza bilineata) Starr County, Rio Grande Valley, Texas, USA. April 2002
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Tim Fitzharris / Rio Grande Gorge near Taos, New Mexico
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Tim Fitzharris / Rio Grande Gorge near Taos, New Mexico
