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Blue Whale (Balaenoptera musculus) spout and red feces.
Evidence of krill being consumed by a Blue Whale (Balaenoptera musculus). (whale feces)
Those who were on board know what this is. Hint: it involves the relationship between Blue Whales (Balaenoptera musculus) and krill (Thysanoessa spinifera).
Bright red from the undigested krill (Thysanoessa spinifera) pigments, a Blue Whale's (Balaenoptera musculus) feces floats on the surface of the ocean.
Blue Whale (Balaenoptera musculus) spout and red feces.
Blue Whale (Balaenoptera musculus) spout and red feces.
Blue Whale (Balaenoptera musculus) spout and red feces.
See photo in original gallery.
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