Male North Pacific humpback whale streams a trail of bubbles. The primary male escort whale (center) creates a curtain of bubbles underwater as it swims behind a female (right), with other challenging males trailing behind in a competitive group. The bubbles may be a form of intimidation from the primary escort towards the challenging escorts. Maui, Hawaii, USA
Species: Humpback whale
, Megaptera novaeangliae
Image ID: 04524
Format: Digital 2:3
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