Jack Dykinga / Rio Grande passing through the towering cliffs of the Mariscal Canyon, Texas, USA
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Jack Dykinga / Aerial view of Rio Grande passing through the Boquillas Canyon with the Chisos Mountains and Big Bend National Park in the background, Texas, USA on right of river, Mexico on left of river.
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Tim Fitzharris / Sierra Ponce and Rio Grande, Big Bend National Park, Texas
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Christian Ziegler / Red Mangrove (Rhizophora mangle) aerial roots, Rio Grande, southern Belize
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Christian Ziegler / Red Mangrove (Rhizophora mangle) aerial roots, Rio Grande, southern Belize
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Christian Ziegler / Orchid (Caularthron sp) epiphytes on the trunk of a Black Mangrove (Avicennia germinans), Rio Grande, southern Belize
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Christian Ziegler / Red Mangrove (Rhizophora mangle) aerial roots, Rio Grande, southern Belize
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Christian Ziegler / Bromeliad (Tillandsia sp) flower in mangrove forest, Rio Grande, southern Belize
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Christian Ziegler / Red Mangrove (Rhizophora mangle) aerial roots, Rio Grande, southern Belize
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Luciano Candisani / Fig (Ficus sp) tree and Rio Grande Waterfall, Brazil
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Patricio Robles Gil / Rio Grande flowing through arid landscape in the Sierra del Carmen region, Mexico
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Patricio Robles Gil / Rio Grande flowing through arid landscape in the Sierra del Carmen region, Mexico
