IUCN Red List English Name Scientific Name IUCN Red List CITES Wild Population Estimates Current Trends American Bison Bison bison Lower Risk Not listed 75 000 Increasing European Bison Bison bonasus Endangered Not listed >3 200 Increasing Auroch Bos primigenus Extinct Not listed 0 - Wild Yak Bos mutus Vulnerable Appendix I < 10 000 Declining Banteng Bos javanicus Endangered Not listed 3 000 - 5 000 Declining Gaur Bos gaurus Vulnerable Appendix I 13 000 - 30 000 Declining Kouprey Bos sauveli Extinct Appendix I 0 - African Buffalo Syncerus caffer Lower risk Not listed 900 000 Declining Wild Water Buffalo Bubalus arnee Endangered Appendix III (Nepal) < 4 000 Declining Lowland Anoa Bubalus depressicornis Endangered Appendix I 3 000 - 5 000 Declining Mountain Anoa Bubalus quarlesi Endangered Appendix I 3 000 - 5 000 Declining Tamaraw Bubalus mindorensis Critically Endangered Appendix I 30 - 200 Declining Saola Pseudoryx nghetinhensis Endangered Appendix I 100 - 300 Declining