Sandesh Kadur / Close-up of an alert Sambar (Rusa unicolor) listening, Ranthambore National Park, Rajasthan, India. 2016.
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Sandesh Kadur / Sambar (Rusa unicolor) alarm calling, Ranthambore National Park, Rajasthan, India. 2016.
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Frederique Olivier / Crowned cranes (Balearica regulorum) feeding, one lifting its head and listening, Ngorongoro Crater, Tanzania.
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Frederique Olivier / African elephant (Loxodonta africana) walking towards the camera, Serengeti NP, Tanzania.
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Nick Upton / Close up view of a young European rabbit (Oryctolagus cuniculus) grazing and listening for danger, Wiltshire, England, UK, July.
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Erlend Haarberg / RF - Mountain hare (Lepus timidus) portrait, Vauldalen, Norway. (This image may be licensed either as rights managed or royalty free.)
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Mark Hamblin / RF - Brown hare (Lepus europaeus) close-up portrait. Scotland, UK. (This image may be licensed either as rights managed or royalty free.)
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Mark Hamblin / RF - Brown hare (Lepus europaeus) close-up portrait. Scotland, UK. (This image may be licensed either as rights managed or royalty free.)
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David Pattyn / RF - Alpine ibex (Capra ibex) close-up portrait. Gran Paradiso National Park, the Alps, Italy. January. (This image may be licensed either as rights managed or royalty free.)
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David Pattyn / RF - Red Squirrel (Sciurus vulgaris) on a tree trunk in a snow covered forest Crans Montana, the Alps, Wallis, Switzerland. February (This image may be licensed either as rights managed or royalty f...
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LYNN M. STONE / RF - Female Boxer standing in wild grass and Fireweed. Kenai, Alaska, USA. (This image may be licensed either as rights managed or royalty free.)
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LYNN M. STONE / RF - Female Great dane atop seaside rock. Guilford, Connecticut, USA. (This image may be licensed either as rights managed or royalty free.)
