EditorialSecretarybird, Sagittarius serpentarius. Vulnerable. (Falco serpentarius) Handcoloured copperplate engraving of an illustration by William Hayes from Portraits of Rare and Curious Birds from the Menagery of Osterly Park, London, Bulmer, 1794.
EditorialSecretarybird, Sagittarius serpentarius. Vulnerable. (Falco serpentarius) Handcoloured copperplate engraving of an illustration by William Hayes from Portraits of Rare and Curious Birds from the Menagery of Osterly Park, London, Bulmer, 1794.
EditorialLong-winged harrier, Circus buffoni, and secretarybird, Sagittarius serpentarius. Handcoloured copperplate stipple engraving from Dumont de Sainte-Croix's "Dictionary of Natural Science: Ornithology," Paris, France, 1816-1830. Illustration by J. G. Pre...