Table 1.
Modern East African large mammal taxon groups (tribe for Bovidae, genus for other taxa) used in this study
| Taxon | n | %G | %M | %B |
| Artiodactyla | ||||
| Bovidae | ||||
| Aepycerotini | 66 | 15 | 77 | 8 |
| Alcelaphini | 141 | 100 | 0 | 0 |
| Antilopini | 122 | 11 | 30 | 60 |
| Bovini | 167 | 84 | 13 | 4 |
| Caprini | 1 | 0 | 0 | 100 |
| Cephalophini | 63 | 0 | 2 | 98 |
| Hippotragini | 38 | 89 | 11 | 0 |
| Neotragini | 84 | 2 | 11 | 87 |
| Reduncini | 90 | 93 | 7 | 0 |
| Tragelaphini | 126 | 0 | 15 | 85 |
| Giraffidae | ||||
| Giraffa | 61 | 0 | 7 | 93 |
| Okapia | 2 | 0 | 0 | 100 |
| Hippopotamidae | ||||
| Choeropsis | 1 | 0 | 0 | 100 |
| Hippopotamus | 186 | 36 | 61 | 4 |
| Suidae | ||||
| Hylochoerus | 26 | 0 | 0 | 100 |
| Phacochoerus | 101 | 80 | 18 | 2 |
| Potamochoerus | 46 | 2 | 22 | 76 |
| Tragulidae | ||||
| Hyemoschus | 1 | 0 | 0 | 100 |
| Perissodactyla | ||||
| Equidae | ||||
| Equus | 157 | 91 | 8 | 1 |
| Rhinocerotidae | ||||
| Ceratotherium | 13 | 100 | 0 | 0 |
| Diceros | 145 | 0 | 6 | 94 |
| Proboscidea | ||||
| Elephantidae | ||||
| Loxodonta | 280 | 0 | 19 | 81 |
Classified by the percentage of individuals that are C4 grazers (G), mixed C3–C4 feeders (M), or C3 browsers (B) based on the isotope values (δ13C1750 values >−1‰, >−1‰ and <−8‰, and <−8‰, respectively). See SI Appendix for complete data.