Two black rhinos photographed in Hagenbeck’s Zoo in Stellingen near Hamburg, before 1929. Maybe the male Bob and female Marianne in the zoo 1911-1913 but there is no uncertainty. Plate from Zukowsky, L., 1929. Carl Hagenbecks Reich: ein deutsches Tierparadies. Berlin.
Author is the German zoologist Ludwig Zulowsky (1888-1965)
