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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Alex Mustard / RF - Blue whale (Balaenoptera musculus) diving vertically down into the ocean to feed. Indian Ocean, off Sri Lanka. (This image may be licensed either as rights managed or royalty free.)
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Alex Mustard / Blue whale (Balaenoptera musculus) swimming beneath the surface of the ocean. Indian Ocean, off Sri Lanka.
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Alex Mustard / Blue whale (Balaenoptera musculus) swims beneath the surface of the ocean. Indian Ocean, off Sri Lanka.
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Chase Dekker / Blue Whale (Balaenoptera musculus), Monterey Bay, California
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Juergen Freund / Slow motion aerial shot of a Pygmy blue whale (Balaenoptera musculus brevicauda) blowing / breathing at the surface before diving, Banda Sea, Indonesia.
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Tony Wu / Blue whale (Balaenoptera musculus indica) in Indian Ocean, Mirissa, Matara, Sri Lanka.
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Alex Mustard / Blue whale (Balaenoptera musculus) diving beneath the surface. Indian Ocean, Sri Lanka.
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Tony Wu / Pygmy blue whale (Balaenoptera musculus brevicauda) swimming in blue water, Sri Lanka, Indian Ocean.
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Tony Wu / Pygmy blue whale (Balaenoptera musculus brevicauda) diving with pelagic fish (likely yellowfin tuna or similar open ocean predatory species) visible in the background, Sri Lanka, Indian Ocean.
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Tony Wu / Blue whale (Balaenoptera musculus) swimming in s motion, Sri Lanka, Indian Ocean.
