Rank Name Image Family Taxonomy Mass[Note 1] 1 African bush elephant Elephantidae Loxodonta africana 5,200–10,000 kg (11,500–22,000 lb)[3] [4] 2 Asian elephant Elephantidae Elephas maximus : E. m. indicus E. m. maximus E. m. sumatranus E. m. borneensis 2,400–8,000 kg (5,300–17,600 lb) [5] [4] 3 African forest elephant Elephantidae Loxodonta cyclotis 1,700–6,000 kg (3,700–13,200 lb)[6] 4 White rhinoceros Rhinocerotidae Ceratotherium simum : Ceratotherium simum cottoni C. s. simum 3,000–4,500 kg (6,600–9,900 lb)[7] 5 Hippopotamus Hippopotamidae Hippopotamus amphibius H. a. amphibius , H. a. kiboko , H. a. capensis , H. a. tschadensis , H. a. constrictus 1,210–4,500 kg (2,670–9,920 lb)[8] [9] 6 Indian rhinoceros Rhinocerotidae Rhinoceros unicornis 2,070–4,000 kg (4,560–8,820 lb) [10] [11] 7 Black rhinoceros Rhinocerotidae Diceros bicornis : D. b. minor D. b. michaeli D. b. longipes 850–2,896 kg (1,874–6,385 lb)[12] 8 Javan rhinoceros Rhinocerotidae Rhinoceros sondaicus 900–2,300 kg (2,000–5,100 lb)[13] 9 Giraffe Giraffidae Giraffa camelopardalis : G. c. camelopardalis G. c. reticulata G. c. angolensis G. c. antiquorum G. c. tippelskirchi G. c. rothschildi G. c. giraffa G. c. thornicrofti G. c. peralta 700–2,000 kg (1,500–4,400 lb)[14] [15] 10 Gaur Bovidae Bos gaurus B. g. gaurus , B. g. readei , B. g. hubbacki 440–1,500 kg (970–3,310 lb)[16] 11 Cattle Bovidae Bos taurus Bos indicus Bos primigenius 120–1,400 kg (260–3,090 lb)[17] [18] 12 American bison Bovidae Bison bison : B. b. athabascae B. b. bison 540–1,270 kg (1,190–2,800 lb) in wild,[19] [20] [19] 13 Wild water buffalo Bovidae Bubalus arnee [Note 2] 600–1,200 kg (1,300–2,600 lb)[21] [22] 14 Wild yak Bovidae Bos mutus 500–1,200 kg (1,100–2,600 lb)[23] 15 Giant eland Bovidae Taurotragus derbianus T. d. derbianus , T. d. gigas 400–1,200 kg (880–2,650 lb)[24] 16 Gayal Bovidae Bos frontalis 650–1,000 kg (1,430–2,200 lb)[citation needed 17 European bison Bovidae Bison bonasus 500–1,000 kg (1,100–2,200 lb)[25] [26] 18 Sumatran rhinoceros Rhinocerotidae Dicerorhinus sumatrensis 500–1,000 kg (1,100–2,200 lb)[27] 19 Eland Bovidae Taurotragus oryx T. o. livingstonii , T. o. oryx , T. o. pattersonianus 400–1,000 kg (880–2,200 lb)[28] [29] 20 Bactrian camel Camelidae Camelus bactrianus Camelus ferus 300–1,000 kg (660–2,200 lb)[30] [31] 21 Dromedary Camelidae Camelus dromedarius 400–1,000 kg (880–2,200 lb)[32] 22 Water buffalo Bovidae Bubalus bubalis 300–1,000 or 1,100 kg (660–2,200 or 2,430 lb)[33] [34] 23 Yak Bovidae Bos grunniens 300–1,000 kg (660–2,200 lb)[35] 24 Polar bear Ursidae Ursus maritimus 300–1,000 kg (660–2,200 lb)[36] [37] [38] 25 Brown bear Ursidae Ursus arctos : U. a. arctos U. a. collaris U. a. beringianus U. a. isabellinus U. a. gobiensis U. a. lasiotus Ursus arctos marsicanus U. a. syriacus U. a. pruinosus U. a. horribilis U. a. gyas U. a. middendorffi U. a. sitkensis U. a. stikeenensis U. a. nelsoni U. a. crowtheri 150–1,000 kg (330–2,200 lb)[39] [40] [41] [42] 26 Kouprey Bovidae Bos sauveli 680–910 kg (1,500–2,010 lb)[43] [26] 27 Banteng Bovidae Bos javanicus B. j. javanicus , B. j. lowi , B. j. birmanicus 590–900 kg (1,300–1,980 lb)[44] 28 African buffalo Bovidae Syncerus caffer S. c. caffer , S. c. nanus S. c. brachyceros , S. c. mathewsi , S. c. aequinoctialis 300–870 kg (660–1,920 lb)[45] [46] 29 Moose Cervidae Alces alces A. a. alces , A. a. pfizenmayeri , A. a. cameloides , A. a. buturlini , A. a. americana A. a. andersoni A. a. gigas A. a. shirasi 200–820 kg (440–1,810 lb)[47] [48] [5] 30 Elk Cervidae Cervus canadensis : C. c. alashanicus C. c. kansuensis C. c. macneilli C. c. manitobensis C. c. nannodes C. c. nelsoni C. c. roosevelti C. c. xanthopygus C. c. sibiricus C. c. songaricus C. c. wallichii 170–600 kg (370–1,320 lb)[49] [50] 
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