Calidris alpina

Dunlin breed in the far north around the globe, but spend winter months along the coasts of most of North America, North Africa and Southern Asia.

There is some disagreement to the status of Dunlin subspecies. Some scientists believe there are only five, while others believe there are more. The long list includes: C. a. arctica (breeds in northeast Greenland and winters in western Europe), C. a. schinzii (breeds in southeast Greenland, Iceland, the British Isles, Scandinavia & the Baltic and winters in western Europe and northwestern Africa), C. a. alpina (breeds in northern Europe and northwest Siberia and winters on the eastern Mediterranean, Iran, Persian Gulf to west India), C. a. centralis (breeds in north-central and northeast Siberia), C. a. sakhalina (breeds in eastern Russia to the Chukchi Peninsula and winters from Korea to southeast Asia), C. a. kistchinski (breeds around the Sea of Okhotsk to Kuril Islands and Kamchatka), C. a. actites (breeds on Sakhalin), C. a. arcticola (breeds from northwest Alaska to northwest Canada), C. a. pacifica (breeds in western and southern Alaska and winters along the west coast of North America south through Mexico), C. a. hudsonia (breeds in central Canada and winters in southeastern USA on the Atlantic and Gulf coasts).

Presumably, the birds I met in southern California were members of the C. a. pacifica group, and those I met in Texas were C. a. hudsonia.

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