Diana monkey vs Red-tailed monkey
The diana monkey is heavier: 4.18 kg against 3.55 kg for the red-tailed monkey, about 18% more.

Photo: Greg Hume · CC BY-SA 3.0 · Wikimedia Commons

Photo: Denise · CC BY-SA 2.0 · Wikimedia Commons
What is the difference between a diana monkey and a red-tailed monkey?
Each point below is worked out from a pair of recorded values.
- The diana monkey is heavier: 4.18 kg against 3.55 kg for the red-tailed monkey, about 18% more.
- The diana monkey is longer-lived: 34.9 years against 28.3 years for the red-tailed monkey, about 23% longer.
- Both belong to the genus Cercopithecus, so they are close relatives.
- The diana monkey is listed as Endangered on the IUCN Red List; the red-tailed monkey is Least Concern.
Side by side
| Diana monkey | Red-tailed monkey | |
|---|---|---|
| Scientific name | Cercopithecus diana | Cercopithecus ascanius |
| Family | Cercopithecidae | Cercopithecidae |
| Order | Primates | Primates |
| Weight | 3.85 kg – 5.43 kg | 3.2 kg – 4.62 kg |
| Length | Not recorded | Not recorded |
| Lifespan | 34.9 years | 28.3 years |
| Main food | Not recorded | Not recorded |
| Habitat | Not recorded | Not recorded |
| Conservation status | Endangered | Least Concern |
| 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: Diana monkeyFull record: Red-tailed monkeyCompare other animals