Above, a cockrel (crax rubra); below, an asian pheasant of the genus tragopan, with fleshy horns on its head. Engraving by Manceaux after E. Traviès.

Licence: Public Domain Mark

Credit: Above, a cockrel (crax rubra); below, an asian pheasant of the genus tragopan, with fleshy horns on its head. Engraving by Manceaux after E. Traviès. Wellcome Collection. Source: Wellcome Collection.