Doug Perrine / Bryde's whale {Balaenoptera brydei / edeni} with throat pleats expanded after feeding on baitball of Sardines {Sardinops sagax} off Baja California, Mexico, Eastern Pacific Ocean. Veolia Environnement...
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Mark Brownlow / Sperm whale {Physeter macrocephalus} diving, tail fluke, Kaikoura, South Island, New Zealand
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DOC WHITE / Blue whale underwater close-up of head and mouth feeding with pouch inflated, Mexico
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Chase Dekker / Humpback Whale (Megaptera novaeangliae) pod gulp feeding on Northern Anchovy (Engraulis mordax), Monterey Bay, California
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Chase Dekker / Humpback Whale (Megaptera novaeangliae) calf breaching, Monterey Bay, California
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Chase Dekker / Humpback Whale (Megaptera novaeangliae) calf breaching, Monterey Bay, California
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Chase Dekker / Humpback Whale (Megaptera novaeangliae) calf breaching, Monterey Bay, California
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Chase Dekker / Humpback Whale (Megaptera novaeangliae) breaching at sunset, Monterey Bay, California
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Chase Dekker / Humpback Whale (Megaptera novaeangliae) breaching, Monterey Bay, California
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Tony Wu / Bowhead whale (Balaena mysticetus), group socialising in shallow water, aerial view. Part of larger group of more than 50 whales congregating, Sea of Okhotsk sub-population, Russia.
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Tony Wu / Humpback whale (Megaptera novaeangliae australis) female with suckling calf. Vava'u Islands, Tonga.
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Tony Wu / Humpback whale (Megaptera novaeangliae australis) male calf playing at ocean surface after coming up to breathe. Vava'u Islands, Tonga.