Markus Varesvuo / Hazel grouse (Tetrastes bonasia) standing in snow. Helsinki, Finland. February.
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Andy Trowbridge / Female Northern goshawk (Accipiter gentilis) feeding on Hazel Grouse (Tetrastes bonasia) . Southern Norway, December.
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Markus Varesvuo / Hazel grouse (Bonasa bonasia) female incubating eggs in ground nest, Kuusamo Finland June
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Markus Varesvuo / Hazel grouse (Bonasa bonasia) female incubating eggs in ground nest, Kuusamo Finland June
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Markus Varesvuo / Hazel Grouse (Tetrastes bonasia) in snow covered trees, Suomussalmi, Finland, January.
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Jean E. Roche / Faeces of Hazel grouse (Tetrastes bonasia) Jura, France, March.
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Jean E. Roche / Faeces of Hazel grouse (Tetrastes bonasia) Jura, France, March.
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Jean E. Roche / Faeces of different grouse species, from the left Hazel grouse (Tetrastes bonasia), Western capercaillie (Tetrao urogallus) female, and male. Jura, France, April.