Table 1. Sample studied.
| Species | Code | Collection code | Age | Age group | Sex | Habitat | Bones studied | Collection |
|---|---|---|---|---|---|---|---|---|
| E. hemionus | IPS83152 | UH 6970 | < 3 w. | Perinate | - | HZ | Fe, Ti, Mc, Mt | ZIHU |
| IPS83153 | UH 7009 | 5 mo. | Foal | M | HZ | Fe, Ti, Mc, Mt | ZIHU | |
| IPS83154 | UH 7016 | 5 mo. | Foal | M | HZ | Fe, Ti, Mc | ZIHU | |
| IPS83151 | UH 5929 | 6 mo. | Foal | - | HZ | Fe, Ti, Mc, Mt | ZIHU | |
| IPS83150 | UH 5547 | 6–12 mo. | Yearling | - | HZ | Fe, Ti, Mc, Mt | ZIHU | |
| IPS83149 | UH 5546 | 6–12 mo. | Yearling | - | HZ | Fe, Ti, Mc, Mt | ZIHU | |
| IPS83155 | UH 7528 | 1–2 y. | Juvenile | F | HZ | Fe, Ti, Mc, Mt | ZIHU | |
| IPS83876 | 225 | 4.5 y. | Adult | F | GD | Fe, Ti, Mc, Mt | MDA | |
| IPS83877 | 381 | 8 y. | Adult | M | GD | Fe, Ti, Mc, Mt | MDA | |
| E. quagga | IPS92343 | UH 903 | < 1 w. | Perinate | - | HZ | Fe | ZIHU |
| IPS92344 | UH 6189 | < 1 w. | Perinate | - | HZ | Fe | ZIHU | |
| IPS101798 | A15/007 | 4 mo. | Foal | F | ARS | Fe, Ti | ICP | |
| IPS92345 | UH 7467 | 4 mo. | Foal | - | HZ | Fe | ZIHU | |
| IPS92342 | UH 7529 | 5 mo. | Foal | F | HZ | Fe | ZIHU | |
| IPS104356 | A16/085 | 9 mo. | Foal | F | ARS | Ti, Mc, Mt | ICP | |
| IPS92341 | UH 800 | 1 y. | Yearling | - | HZ | Fe | ZIHU | |
| IPS104357 | A15/013 | 1 y. | Yearling | F | ARS | Ti | ICP | |
| IPS101800 | A14/330 | 1 y. + 2mo. | Yearling | M | ARS | Fe | ICP | |
| IPS101801 | A15/049 | 1 y. + 2mo. | Yearling | F | ARS | Ti | ICP | |
| IPS92346 | UH 397 | 5 y. | Adult | - | HZ | Fe | ZIHU | |
| E. grevyi | IPS101802 | A15/020 | 1 mo. | Foal | M | ARS | Fe, Ti | ICP |
| IPS84964 | UH 8255 | 4 mo. | Foal | F | HZ | Fe, Ti, Mt | ZIHU | |
| IPS101804 | A15/120 | 2 y. | Juvenile | M | ARS | Fe, Ti | ICP | |
| IPS84963 | UH 7111 | 5 y. | Adult | F | HZ | Fe, Ti, Mt | ZIHU |
w.: weeks; mo.: months; y.: years; M: male; F: female; Fe: femur; Ti: tibia; Mc: metacarpus; Mt: metatarsus; GD: Gobi Desert (Mongolia, Asia); HZ: Hagenbeck Zoo (Hamburg, Germany); ARS: African Reserve of Sigean (Sigean, France); ICP: Catalan Institute of Paleontology (Barcelona, Spain); MDA: Museum of Domesticated Animals (Halle, Germany); ZIHU: Zoological Institute of Hamburg University (Hamburg, Germany).