Mountain zebra vs Onager
The mountain zebra is heavier: 287 kg against 240 kg for the onager, about 20% more.

Photo: Ltshears - Trisha M Shears · Public domain · Wikimedia Commons

Photo: Michael Oppermann · CC BY-SA 3.0 · Wikimedia Commons
What is the difference between a mountain zebra and a onager?
Each point below is worked out from a pair of recorded values.
- The mountain zebra is heavier: 287 kg against 240 kg for the onager, about 20% more.
- The onager is longer-lived: 28.9 years against 26.8 years for the mountain zebra, about 8% longer.
- Both belong to the genus Equus, so they are close relatives.
- The mountain zebra is listed as Vulnerable on the IUCN Red List; the onager is Near Threatened.
Side by side
| Mountain zebra | Onager | |
|---|---|---|
| Scientific name | Equus zebra | Equus hemionus |
| Family | Equidae | Equidae |
| Order | Perissodactyla | Perissodactyla |
| Weight | 287 kg – 296 kg | 230 kg – 240 kg |
| Length | Not recorded | 2.1 m |
| Lifespan | 26.8 years | 28.9 years |
| Main food | Not recorded | Not recorded |
| Habitat | grassland | desert, grassland |
| Conservation status | Vulnerable | Near Threatened |
| Countries recorded | Not recorded | Not recorded |
A scale drawing needs a recorded length for both animals; only weights are on record for this pair.
Full record: Mountain zebraFull record: OnagerCompare other animals