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


Shared from Apple News


Sent from my iPhone
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman11.u.washington.edu/pipermail/tweeters/attachments/20200621/50e3cb82/attachment.html>