Project Noah Fact of the Day: The sanderling is a small active shorebird, often seen at the waters edge running in and out of the surf. An unusual distinguishing feature is the absence of a rear toe (hallux); an adaptation for running fast on sand.
Sanderling (Calidris alba) spotted in Andalucía, Spain by PN user Malcolm Wilton-Jones.
https://www.facebook.com/projectnoah/photos/a.10150595289465603.674700.10150120463815603/10156796127130603/?type=3&theater
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