18th century illustration of a pied harrier (Circus melanoleucos), an Asian species of bird of prey in the family Accipitridae. It is migratory, breeding from the Amur valley in eastern Russia and north-eastern China to North Korea. Wintering individuals can be found in a wide area from Pakistan to Philippines. The population consists of approximately 10,000 individuals and the number is thought to be in moderate decline. From Histoire Naturelle des Oiseaux d'Afrique (Natural History of Birds of Africa) by Franeois Le Vaillant (1753-1824), published in Paris, France in 1799.