A sandpiper that breeds in the Arctic and winters in the southern hemisphere
English: knot, greyback, grayback, Calidris canutus
graybackEnglish
grayback, greyback, Calidris canutus, Limnodromus griseus, knot
Noun
A dowitcher with a grey back
English: greyback, grayback, Limnodromus griseus