156859 Green Sandpiper Tringa ochropus L 21-23cm. Plump-bodied wader with a bobbing gait. Unobtrusive and often first observed when flushed: note white rump and yelping alarm call. Tail is marked with a few, broad dark bands. Sexes are similar. Adult has rather dark brown upperparts with small pale spots. Head and neck are streaked; note clear demarcation between dark, streaked breast and clean white underparts. Pale supercilium is bold only in front of eye and legs are greenish yellow. Juvenile is similar but pale spotting on upperparts is more noticeable. Voice Utters a trisyllabic chlueet-wit-wit flight call. Status Widespread and fairly common passage migrant, found on freshwater habitats. Winters in small numbers.