Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) male displaying on a lek in snow, Sublette County, Wyoming, USA. April.
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Gerrit Vyn / Female Greater Sage-Grouse (Centrocercus urophasianus) visiting a lek of displaying males. Sublette County, Wyoming. April.
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Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) and fracking rig. Pinedale Mesa. Sublette County, Wyoming. March.
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Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) male displaying on a lek in spring at sunset, Sublette County, Wyoming. March.
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Gerrit Vyn / Newly hatched, day old Greater sage-grouse (Centrocercus urophasianus) chicks. Sublette County, Wyoming, USA. May.
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Gerrit Vyn / Female Greater sage-grouse (Centrocercus urophasianus) incubating nest under a sage bush canopy. Sublette County, Wyoming, USA. May.
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Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) gathered in the center of a lek as the dominant male displays. Sublette County, Wyoming. March.
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Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) walking across a snow covered lek. Sublette County, Wyoming. March.
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Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) chick in nest surrounded by chicks, newly hatched, Sublette County, Wyoming, USA. May.
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Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) chick in nest surrounded by chicks, newly hatched, Sublette County, Wyoming, USA. May.
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Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) female incubating eggs on nest, Sublette County, Wyoming, USA. May.
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Gerrit Vyn / Greater sage-grouse (Centrocercus urophasianus) roadkill, Pinedale Mesa Anticline natural gas development. Sublette County, Wyoming, USA, June.
