Pete Oxford / Swallow-tailed gull (Larus / Creagrus furcatus) amongst mangrove roots, Tower / Genovesa Island, Galapagos
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Claudio Contreras / Mangrove swallow (Tachycineta albilinea) perched on branch. San Pedro River near Las Guacamayas Biological Station, Laguna del Tigre National Park, El Peten, Guatemala.
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Claudio Contreras / Mangrove swallow (Tachycineta albilinea) perched on tree snag. San Pedro River near Las Guacamayas Biological Station, Laguna del Tigre National Park, El Peten, Guatemala.
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Tim Fitzharris / Western Juniper (Juniperus occidentalis) and Jeffrey Pine (Pinus jeffreyi) trees, Phipps Peak, Eldorado National Forest, California
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Tim Fitzharris / Western Juniper (Juniperus occidentalis) and Jeffrey Pine (Pinus jeffreyi), Phipps Peak, Eldorado National Forest, California
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Tim Fitzharris / Western Juniper (Juniperus occidentalis) and Jeffrey Pine (Pinus jeffreyi), Phipps Peak, Eldorado National Forest, California