Date: 6/21/20 3:09 pm
From: Dan Reiff <dan.owl.reiff...>
Subject: [Tweeters] Scientific American: Slimy Mudflat Biofilms Feed Migratory Birds--and Could Be Threatened

Slimy Mudflat Biofilms Feed Migratory Birds--and Could Be Threatened
The mud on Roberts Bank at the southern end of the Fraser River Delta in British Columbia is deep—and smelly. Exposed at low tide, it ranges for kilometers, and looks devoid of life. But across some sections, sunlight reflects with a slightly greenish luminescence. Those places are where you see flocks of plump little brown-and-white western sandpipers (Calidris mauri), and they are slurping up the shimmering material with their bristly tongue. They are eating a biofilm, a goo only a few

Read in Scientific American: https://apple.news/AYbaZH2AuQ2aApKXaOyoZJw


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