Looking north along Salmon Creek Beach, with drift lines of By-the-wind Sailors (Velella velella). There were so many Velella washed up tonight (14 March 20205), the beach looked blue as far as you could see. Here are a couple more views showing the high densities of Velella:
And the next one is so small its sail is barely visible:
P.S. For an introduction to Velella, see "Below the water line" on 18 March 2014.
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