Mike Read / Rock ptarmigan (Lagopus mutus) droppings, Cairngorms National Park, Highland Region, Scotland, UK, May.
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Ashley Cooper / Adelie penguins (Pygoscelis adeliae) with tourists walking past the colony, Madder Cliffs, Joinville Island, Antarctica.
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Ashley Cooper / Guano in an Adelie Penguin (Pygoscelis adeliae) colony at Madder Cliffs, Joinville Island, Antarctica.
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Nick Upton / Sanderling (Calidris alba) feeding on Grey seal (Halichoerus grypus) droppings near a seal breeding colony, Norfolk, England, UK, January.
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Ingo Arndt / Car parked under Common starling (Sturnus vulgaris) roost covered with droppings, Rome, Italy. January 2009
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Markus Varesvuo / Willow grouse / Ptarmigan (Lagopus lagopus) snow cave and droppings, Utsjoki, Finland, February.
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Markus Varesvuo / Capercaillie (Tetrao urogallus) droppings on snow, Kuusamo, Finland, April.
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Markus Varesvuo / Rock Ptarmigan (Lagopus muta) droppings in half snow cave, Utsjoki, Finland, April.
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Markus Varesvuo / Capercaillie (Tetrao urogallus) droppings on forest floor, Vaala, Finland, May.
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Markus Varesvuo / Grey partridge (Perdix perdix) droppings on wet grass, Kauhajoki, Finland, October.
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Markus Varesvuo / Capercaillie (Tetrao urogallus) droppings on forest floor, Vaala, Finland, May.
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Markus Varesvuo / Willow grouse / Ptarmigan (Lagopus lagopus) droppings on snow, Inari Kiilopaa, Finland, April.
