How big does a Weyland ringtail possum get? Here is an overview over the average adult age:
A grown Weyland ringtail possum (Pseudochirulus caroli) reaches an average size of 31 cm (1′ 1″).
When born, they have an average size of 0 cm (0′ 0″). A full-grown exemplary reaches roughly 456 grams (1.01 lbs). The Weyland ringtail possum (genus: Pseudochirulus) is a member of the family Pseudocheiridae.
As a reference: Humans reach an average body size of 1.65m (5′ 5″) while carrying 62 kg (137 lbs). A human woman is pregnant for 280 days (40 weeks) and on average become 75 years old.

The Weyland ringtail possum (Pseudochirulus caroli) is a species of marsupial in the family Pseudocheiridae. It is endemic to the western Central Cordillera of Papua Province, Indonesia. P. caroli is also “known from four localities west of the Star Mountains” and tends to live in montane forest or other hilly areas. Currently the Weyland ringtail is not endangered, but should be “monitored [because] it could rapidly become threatened if either human encroachment or hunting were to increase significantly.”
Animals of the same family as a Weyland ringtail possum
We found other animals of the Pseudocheiridae family:
- Herbert River ringtail possum with 1 babies per litter
- Vogelkop ringtail possum with a size of 21.6 cm (0′ 9″)
- Greater glider with 1 babies per litter
- Plush-coated ringtail possum with a size of 33.3 cm (1′ 2″)
- Lowland ringtail possum with a size of 22.3 cm (0′ 9″)
- Cinereus ringtail possum with 2 babies per litter
- Coppery ringtail possum with a size of 37.8 cm (1′ 3″)
- D’Albertis’ ringtail possum with a size of 32.5 cm (1′ 1″)
- Common ringtail possum with 1 babies per litter
- Reclusive ringtail possum with a size of 33.9 cm (1′ 2″)
Animals with the same size as a Weyland ringtail possum
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Weyland ringtail possum:
- Brown-eared woolly opossum with a size of 27.3 cm (0′ 11″)
- Grandidier’s mongoose with a size of 35.9 cm (1′ 3″)
- Golden bandicoot with a size of 35.5 cm (1′ 2″)
- Lord Derby’s scaly-tailed squirrel with a size of 35.7 cm (1′ 3″)
- American mink with a size of 36.6 cm (1′ 3″)
- White-tailed prairie dog with a size of 30.7 cm (1′ 1″)
- Striped bandicoot with a size of 26.7 cm (0′ 11″)
- Angolan kusimanse with a size of 32.6 cm (1′ 1″)
- Basilan flying squirrel with a size of 24.8 cm (0′ 10″)
- Painted ringtail possum with a size of 26.5 cm (0′ 11″)
Animals with the same weight as a Weyland ringtail possum
As a comparison, here are some other animals that weight as much as the Pseudochirulus caroli:
- Broad-faced potoroo bringing 499 grams to the scale
- Buffy-headed marmoset bringing 374 grams to the scale
- Epixerus ebii wilsoni bringing 422 grams to the scale
- Hispid pocket gopher bringing 499 grams to the scale
- Numbat bringing 517 grams to the scale
- Pteropus gilliardi bringing 403 grams to the scale
- Prevost’s squirrel bringing 400 grams to the scale
- Social tuco-tuco bringing 400 grams to the scale
- Short-furred Atlantic tree-rat bringing 439 grams to the scale
- Smoky pocket gopher bringing 403 grams to the scale
