A small short-billed wading bird of the sandpiper family that turns over stones to feed on small animals beneath them.
- Genus Arenaria, family Scolopacidae: two species, in particular the (ruddy) turnstone (A. interpres), breeding in northern Eurasia and northern Canada.
- Knots and turnstones are both medium-sized waders that inhabit intertidal coastal areas outside the breeding season.
- Active foragers, turnstones are best known for their habit of turning over objects and eating the food underneath.
- Knots and turnstones arrive at Alert in late May through early June, when the weather is cold and unpredictable and food resources scarce.
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