How many species of animal are there on Earth?
(as viewed from 1910) The following is my translation of an article called: ‘Wieviel Tierarten gibt es auf der Erde?’. The author’s name isn’t given, but it first appeared in a German popular science magazine, Kosmos Handweiser für Naturfreunde 1910, Heft 4, Seite 152. I’m not aware of any previous translation. As the information is in a compressed article without paragraphs, I summarised it for the sake of convenience in a table below. Trevor Dykes. How many species of animal are there on Earth? At the British Association for the Advancement of Science, the well known zoologist, AE Shipley, has made a number of interesting reports on the progress of zoological research. About a decade ago, Günther presented a list of animal species, based on precise studies, as known in 1830 and 50 years later. Zoological science was aware of 1,200 different species of mammal in 1830; in 1881 the number of known species had grown to 2,300. Bird species in 1830 were put at 3,600; research knew of 11,00