Matthew Studebaker / Red-necked Grebe (Podiceps grisegena) calling, Alaska
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Connor Stefanison / Red-necked Grebe (Podiceps grisegena) at nest in swamp, British Columbia, Canada
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David Pattyn / Red necked grebe (Podiceps grisegena) approaching a competitor in an attempt to drive him away during the courting season, Danube area, Bulgaria, April
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Gerrit Vyn / Adult Red-necked Grebes (Podiceps grisegena) in breeding plumage performing "whinny-braying" duet in defense of territory. Fairbanks, Alaska, USA, July.
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Michael Quinton / Red-necked Grebe (Podiceps grisegena) parent on nest with eggs in boreal pond, Alaska
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Markus Varesvuo / Red-necked grebe (Podiceps grisegena) on water. Latvia. April.
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Loic Poidevin / Red necked grebe (Podiceps grisegena) sitting on nest amongst water lilies and reeds. Danube Delta, Romania. May.
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Sven Zacek / Red-necked grebe (Podiceps grisegena) sitting on its nest, Tartumaa, Estonia, May.