Humans who study animals sometimes quarrel about exactly what they are seeing. The ape Mafuka was the subject of one such quarrel: “Watching Exotic Animals Next Door: ‘Scientific’ Observations at the Zoo (ca. 1870–1910),” Oliver Hochadel, Science in Context, vol. 24, no. 2, 2011, pp. 183–214. The author, at Institucio Mila i Fontanals, CSIC, Barcelona, […]