Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California
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John Chan / Two male Southern Pacific rattlesnakes (Crotalus oreganus helleri) fighting during mating season. This behaviour is known as a "combat dance", and is used to determine dominance and the right to mate...
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Chase Dekker / Humpback Whale (Megaptera novaeangliae) gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California
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Chase Dekker / Common Loon (Gavia immer) spreading wings, Monterey Bay, California
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Jeff Foott / Wild California condor (Gymnogyps californianus) near San Pedro Martir National Park, Northern Baja California, Mexico.
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Ingo Arndt / Northern elephant seal {Mirounga angustirostris} male sleeping, California
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Ingo Arndt / Two Northern elephant seal (Mirounga angustirostris) males fighting for dominance, California, USA
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Ingo Arndt / Northern elephant seal male on seashore {Mirounga angustirostris} California, USA
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Ingo Arndt / Northern elephant seal male {Mirounga angustirostris} close-up of head and proboscis. California, USA
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Hiroya Minakuchi / Humpback Whale (Megaptera novaeangliae) pair gulp feeding and gulls hunting Northern Anchovy (Engraulis mordax), Monterey Bay, California
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Doc White / California sea otter (Enhydra lutris) feeding on Northern kelp crab, Monterey Bay, California, USA, Eastern Pacific Ocean, May
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Sean Crane / Northern Elephant Seal (Mirounga angustirostris) male calling in territoral display with breath visible, San Simeon, California