1203470 Thylacine/ Tasmanian Wolf at London Zoo, before 1930 (b/w photo) by Bond, Frederick William (1887-1942); Zoological Society of London; (add.info.: Thylacine/ Tasmanian Wolf at London Zoo. The Thylacine is thought to have become extinct in 1933. In all, London Zoo exhibited 20 Thylacines between 1850 and1931.); 穢 Zoological Society of London ; British, out of copyright.