How many baby Allen’s swamp monkeys are in a litter?
A Allen’s swamp monkey (Allenopithecus nigroviridis) usually gives birth to around 1 babies.
Upon birth, they weight 241 grams (0.53 lbs) and measure 4 cm (0′ 2″). They are a member of the Cercopithecidae family (genus: Allenopithecus). An adult Allen’s swamp monkey grows up to a size of 45.9 cm (1′ 7″).
To have a reference: Humans obviously usually have a litter size of one ;). Their babies are in the womb of their mother for 280 days (40 weeks) and reach an average size of 1.65m (5′ 5″). They weight in at 62 kg (137 lbs), which is obviously highly individual, and reach an average age of 75 years.
The Allen’s swamp monkey (Allenopithecus nigroviridis) is a primate species categorized in its own genus Allenopithecus in the Old World monkey family. Phylogenetically, it is a sister clade to the guenons, but differs in dentition and habits.Allen’s swamp monkey was named after American zoologist Joel Asaph Allen.
Other animals of the family Cercopithecidae
Allen’s swamp monkey is a member of the Cercopithecidae, as are these animals:
- Javan surili with 1 babies per pregnancy
- Preuss’s monkey with 1 babies per pregnancy
- Dusky leaf monkey with 1 babies per pregnancy
- Southern pig-tailed macaque with 1 babies per pregnancy
- Sclater’s guenon with 1 babies per pregnancy
- Chacma baboon with 1 babies per pregnancy
- Moustached guenon with 1 babies per pregnancy
- Booted macaque weighting around 2.75 kilograms (6.06 lbs)
- Sykes’ monkey with 1 babies per pregnancy
- Tana River red colobus with 1 babies per pregnancy
Animals that share a litter size with Allen’s swamp monkey
Those animals also give birth to 1 babies at once:
- Blue wildebeest
- Little free-tailed bat
- Fire-footed rope squirrel
- Rhim gazelle
- Shining thicket rat
- Rüppell’s pipistrelle
- Lesser horseshoe bat
- Nilgiri langur
- Ground pangolin
- Sumatran rhinoceros
Animals that get as old as a Allen’s swamp monkey
Other animals that usually reach the age of 23 years:
- Common vampire bat with 19.5 years
- Goodfellow’s tree-kangaroo with 21 years
- Mediterranean monk seal with 23.67 years
- Eurasian otter with 22 years
- Black wildebeest with 20 years
- Red wolf with 20 years
- False killer whale with 22 years
- Alpine ibex with 22.25 years
- Koala with 20 years
- Potto with 26 years
Animals with the same weight as a Allen’s swamp monkey
What other animals weight around 4.75 kg (10.47 lbs)?
- Black-flanked rock-wallaby usually reaching 4.57 kgs (10.08 lbs)
- Long-tailed marmot usually reaching 4.35 kgs (9.59 lbs)
- Sulawesi palm civet usually reaching 5.15 kgs (11.35 lbs)
- Red panda usually reaching 5.17 kgs (11.4 lbs)
- Bonnet macaque usually reaching 5 kgs (11.02 lbs)
- Maned sloth usually reaching 4.47 kgs (9.85 lbs)
- Sunda pangolin usually reaching 4.86 kgs (10.71 lbs)
- White-nosed coati usually reaching 4.58 kgs (10.1 lbs)
- Alaskan hare usually reaching 4.85 kgs (10.69 lbs)
- Pampas fox usually reaching 4.54 kgs (10.01 lbs)
Animals with the same size as a Allen’s swamp monkey
Also reaching around 45.9 cm (1′ 7″) in size do these animals:
- Chinese ferret-badger gets as big as 38.5 cm (1′ 4″)
- Liberian mongoose gets as big as 45 cm (1′ 6″)
- Yellow-bellied marmot gets as big as 41.2 cm (1′ 5″)
- Southern giant slender-tailed cloud rat gets as big as 38.2 cm (1′ 4″)
- Cacomistle gets as big as 42.5 cm (1′ 5″)
- Selous’s mongoose gets as big as 42.8 cm (1′ 5″)
- Black crested mangabey gets as big as 51 cm (1′ 9″)
- Javan surili gets as big as 51 cm (1′ 9″)
- Northern white-cheeked gibbon gets as big as 54.5 cm (1′ 10″)
- African palm civet gets as big as 50 cm (1′ 8″)