Nate Chappell/ BIA / Rufescent Tiger-Heron (Tigrisoma lineatum) with fish prey, Corrientes, Argentina
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Gabriel Rojo / Cattle tyrant (Machetornis rixosus) perched on capibara (Hydrochoerus hydrochaeris) Ibera Marshes, Corrientes Province, Argentina
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Gabriel Rojo / Marsh deer (Blastocerus dichotomus) male with Cattle tyrant (Machetornis rixosus) on back, Ibera Marshes, Corrientes Province, Argentina.
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Gabriel Rojo / Black caiman (Melanosuchus niger) on shore, Ibera Marshes, Corrientes Province, Argentina
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Gabriel Rojo / Strange-tailed tyrant (Alectrurus risora) perched, Ibera Marshes, Corrientes Province, Argentina
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Gabriel Rojo / Roadside hawk (Buteo magnirostris ) perched, Ibera Marshes, Corrientes Province, Argentina
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Gabriel Rojo / Tourists on boat, watching Marsh deer (Blastocerus dichotomus) Ibera Marshes, Corrientes Province, Argentina. August 2009.
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Gabriel Rojo / Strange-tailed tyrant (Alectrurus risora) perched, Ibera Marshes, Corrientes Province, Argentina
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Gabriel Rojo / Southern caracara (Polyborus plancus) on termite mound, Ibera Marshes, Corrientes, Argentina
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Gabriel Rojo / Southern caracara (Polyborus plancus) on termite mound, Ibera Marshes, Corrientes, Argentina
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Gabriel Rojo / Southern caracaras (Polyborus plancus) on termite mound, Ibera Marshes, Corrientes, Argentina
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Gabriel Rojo / Cururu toad (Bufo paracnemis) at night, Ibera Marshes, Corrientes Province, Argentina