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.
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Markus Varesvuo / Hazel grouse (Bonasia bonasia) taking off from frosted branch, Kuusamo, Finland, January.
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Danny Green / Hazel grouse (Tetrastes bonasia), hidden in vegetation, Finland, June.
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Markus Varesvuo / Male Hazel grouse (Tetrastes / Bonasa bonasia) walking on snow, Kuusamo, Finland, April.
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Markus Varesvuo / Male Hazel grouse (Tetrastes / Bonasa bonasia) calling, Kuusamo, Finland, April.
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Markus Varesvuo / Male Hazel grouse (Tetrastes / Bonasa bonasia) on fallen tree, Kuusamo, Finland, June.
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Markus Varesvuo / Male Hazel grouse (Tetrastes / Bonasa bonasia) amongst vegetation, Kuusamo, Finland.
