Gabriel Rojo / Silvery grebe (Podiceps occipitalis) nesting, La Pampa, Argentina
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Gabriel Rojo / Silvery grebe (Podiceps occipitalis) on water, La Pampa, Argentina
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Gabriel Rojo / Silvery grebe (Podiceps occipitalis) on water, La Pampa, Argentina
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Gabriel Rojo / Silvery grebe (Podiceps occipitalis) on water, La Pampa, Argentina
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Gabriel Rojo / Silvery grebe (Podiceps occipitalis) on water, La Pampa, Argentina
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Gabriel Rojo / Silvery grebe (Podiceps occipitalis) nesting, La Pampa, Argentina
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Gabriel Rojo / Silvery grebe (Podiceps occipitalis) on water, La Pampa, Argentina
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Mike Read / Silvery grebe (Podiceps occipitalis) swimming on a pond Sea Lion Island, Falkland Islands, November.
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Gabriel Rojo / Silvery grebe (Podiceps occipitalis) sitting on nest made of green algae on water, La Pampa, Patagonia, Argentina.
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Ugo Mellone / Hooded grebes (Podiceps gallardoi) and Silvery grebe (Podiceps occipitalis) on lake during the breeding season, Patagonia National Park, Santa Cruz, Argentina.
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Ugo Mellone / Hooded grebes (Podiceps gallardoi) pair dancing in breeding display with a silvery grebe (Podiceps occipitalis) interloper, Patagonia National Park, Santa Cruz, Argentina. Cropped.
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Ugo Mellone / Hooded grebe (Podiceps gallardoi) confrontation with silvery grebe (Podiceps occipitalis), defending floating nest in lake, Patagonia National Park, Santa Cruz, Argentina.
