18th century illustration of a crested serpent eagle (Spilornis cheela), a medium-sized bird of prey that is found in forested habitats across its widespread range across the Indian subcontinent, Southeast Asia and East Asia. 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.