western sandpiper resting at seaside beach

alaska america animal arctic beach beaches bill bird birding birdwatching breeding breeds bright cheeks coastal colorful common crown distinguish droopy duller dunlin edge feather feathers feeding females flocks front-heavy gray grayish-brown juveniles large larger-headed longer migration mudflats nonbreeding north pale pale-faced paler plain plumage resting rich rufous sandpiper seabird seashore seaside semipalmated shorebird shoreline shorter-billed shoulders shows smaller strip tones tundra upper western white wildlife wings