Roberto Rinaldi / Nervous female elephant seal (Mirounga leonina) barks a warning to a diver, Antarctic Peninsula.
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Bernard Castelein / Roe deer (Capreolus capreolus) standing in woodland, barking, Brasschaat, Belgium. July.
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Joel Sartore / Photo Ark / Gunnison's prairie dog (Cynomys gunnisoni) barking. Captive.
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Alex Mustard / Maldives anemonefish (Amphiprion nigripes) barking a warning while swimming above its home, a Magnificent sea anemone (Heteractis magnifica). Laamu Atoll, Maldives, Indian Ocean.
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Tui De Roy / Female Galapagos sea lion (Zalophus wollebaeki), barking, Santa Fe Island, Galapagos, South America.
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George Sanker / Red fox (Vulpes vulpes) barking on snowy frozen pond, Acadia National Park, Maine, USA. February.
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George Sanker / Red fox (Vulpes vulpes) turning to look back and barking, Acadia National Park, Maine, USA.
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David Tipling / Muntjac deer (Muntiacus reevesi), buck, barking, at edge of barley crop field, North Norfolk, UK. June.
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Cyril Ruoso / Roe deer (Capreolus capreolus) buck barking in field. Yonne, France. May.
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Alex Mustard / Saddleback anemonefish (Amphiprion polymnus) barks a warning as it guards a clutch of developing eggs (beneath it) laid on a small stone, below a fold in its home, a Haddon's sea anemone (Stichoda...
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Mark Taylor / RF - Yellow Labrador Retriever puppy, age 9 weeks, barking. (This image may be licensed either as rights managed or royalty free.)
