John Gould, Mockingbird from Charles Darwin (general editor), The Zoology of the Voyage of HMS Beagle, 1838-41, Part III, No.II, Birds, 1841, by John Gould, with hand-coloured lithographic illustrations from Gould’s drawings of species of Galápagos mockingbirds; pl.16, Mimus trifasciatus. The Charles Darwin Trust, on loan to Cambridge University Library
