143979 HEN HARRIER Circus cyaneus Wingspan 100-120cm. Britain’s most familiar harrier, usually seen gliding at slow speed, low over the ground. Adult male has pale blue-grey plumage except for white belly, white rump and black wingtips. Adult female is brown with darker barring on wings and tail, streaking on body underparts, and a narrow white rump. Juvenile is similar to adult female but breast and wing coverts are brighter. Voice – mainly silent. Status and habitat – Breeds on upland moorland, winters on lowland heaths and near coasts.