Photo via rsean9000 on YouTube

We all know that rainbows appear before our eyes when a mist of water acts like a prism and reflects sunlight by dividing its rays into their full spectrum of visible colors. We also know that whales come up for air when at sea — they’re mammals, after all — but not without first exhaling out of their blowhole first.

Blowing out of the hole often produces a mist, so it should come as no surprise that it can appear as if a whale can blow a rainbow out of its blowhole — in theory. Well, in this recent find from io9, here is the photographic proof, captured on video by YouTube user rsean9000, during a whale watching tour in Nova Scotia.

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And now you know: sometimes there’s a pot of gold at the end of a rainbow, but sometimes there’s just a whale.