The white-tailed harrier, also known as Hen Harrier, is a medium-sized bird of prey with two subspecies.The white-tailed harrier is a summer migratory bird in Northeast China and western Xinjiang, a winter migratory bird in the middle and lower reaches of the Yangtze River, the southeast coast, sout...
Eastern Marsh Harrier is a medium-sized bird of prey with four subspecies.Recently, studies based on molecular genetic evidence have supported the separation of white-headed harriers and white-bellied harriers, but there are still differences on their respective closely related species. It is now be...