Description: Spheniscus humboldti Deutsch: Humboldt-Pinguin English: Humboldt Penguin. Date: 1879. Source: Lydekker, R. 1895 The Royal Natural History. Volume 4. Frederick Warne and Co. (from www.archive.org)Originally in A. D. Bartlett (1879) "Remarks upon the Habits and Change of Plumage of Humboldt's Penguin". Proc. Zool. Soc. doi:10.1111/j.1096-3642.1879.tb02622.x. Author: Abraham Dee Bartlett (d. 1897). Permission(Reusing this file): pd-old.