Robert Ridgway
…been recognized as a distinct species. From specimens collected in 1888, Ridgway was the first to describe the Española mockingbird (Mimus macdonaldi), Española cactus finch (Geospiza conirostris), and medium tree finch (Camarhynchus pauper), all endemic to the Galápagos. The latter two are members of the so-called Darwin's…