Ass vs Onager
The ass is heavier: 245 kg against 240 kg for the onager, about 2% more.
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Photo: Michael Oppermann · CC BY-SA 3.0 · Wikimedia Commons
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What is the difference between a ass and a onager?
Each point below is worked out from a pair of recorded values.
- The ass is heavier: 245 kg against 240 kg for the onager, about 2% more.
- The ass is longer-lived: 47 years against 28.9 years for the onager, about 63% longer.
- Both belong to the genus Equus, so they are close relatives.
Side by side
| Ass | Onager | |
|---|---|---|
| Scientific name | Equus asinus | Equus hemionus |
| Family | Equidae | Equidae |
| Order | Perissodactyla | Perissodactyla |
| Weight | 171.2 kg – 245 kg | 230 kg – 240 kg |
| Length | Not recorded | 2.1 m |
| Lifespan | 47 years | 28.9 years |
| Main food | Not recorded | Not recorded |
| Habitat | Not recorded | desert, grassland |
| Conservation status | Not recorded | Near Threatened |
| Countries recorded | 1 | Not recorded |
A scale drawing needs a recorded length for both animals; only weights are on record for this pair.