Andy Rouse / Grey wolf (Canis lupus lupus) Finland, September.
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Staffan Widstrand / Eurasian / Grey wolf (Canis lupus) running through forest, Kuhmo, Finland. September.
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Staffan Widstrand / Eurasian / Grey wolf (Canis lupus) watching flying flock of Common raven (Corvus corax) Kuhmo, Finland. September.
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Mark Carwardine / Eurasian / European / Forest Wolf (Canis lupus lupus) head portrait resting on ground. Mongolia, August.
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Wild Wonders of Europe / Widstrand / Wild Eurasian brown bear (Ursus arctos) and a European Grey wolf (Canis lupus) at waters edge, Kuhmo, Finland, July 2008
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Jose B. Ruiz / Close-up of Iberian wolves {Canis lupus sygnatus} running, captive, Lobo Park, Antequera, Malaga, Spain
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Jose B. Ruiz / Portrait of Iberian wolf {Canis lupus sygnatus} snarling, captive, Lobo Park, Antequera, Malaga, Spain
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Dong Lei / Eurasian wolf (Canis lupus) Sanjiangyuan National Nature Reserve, Qinghai Hoh Xil UNESCO World Heritage Site, Qinghai-Tibet Plateau, Qinghai Province, China.
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Daniel Heuclin / Tundra wolf (Canis lupus albus) captive, occurs in Eurasian tundras from Finland to Kamchatka, Russia.
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Daniel Heuclin / Tundra wolf (Canis lupus albus) captive, occurs in Eurasian tundras from Finland to Kamchatka, Russia.
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Loic Poidevin / Eurasian wolves (Canis lupus lupus) fighting, Bavarian Forest National Park, Bavaria, Germany. Captive.
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Loic Poidevin / Eurasian wolf (Canis lupus lupus) jumping, Bavarian Forest National Park, Bavaria, Germany Captive.