丁香园AV

Taking the Pulse of the Western Sandpiper Migration

Adult WESA

Adult Western Sandpiper Juvenile LESA

Juvenile LESA

Juvenile Least Sandpiper

Sanderling

Sanderling on southward migration SESA

SESA

Semipalmated Sandpiper WESA_SESA

WESA_SESA

Semipalmated(Left) and Western (Right) Sandpipers WESA_SESA

WESA_SESA

Western Sandpiper (foreground) and Dunlin