How many baby White-bellied woolly mouse opossums are in a litter?
A White-bellied woolly mouse opossum (Micoureus constantiae) usually gives birth to around 8 babies.
Upon birth, they weight 2 grams (0 lbs) and measure 1.5 cm (0′ 1″). They are a member of the Didelphidae family (genus: Micoureus). An adult White-bellied woolly mouse opossum grows up to a size of 16.1 cm (0′ 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 white-bellied woolly mouse opossum (Marmosa constantiae) is a small pouchless marsupial of the family Didelphidae. It was formerly assigned to the genus Micoureus, which was made a subgenus of Marmosa in 2009. The second half of the species name was given in honour of Constance Sladen (née Anderson), wife of the naturalist Percy Sladen.
Other animals of the family Didelphidae
White-bellied woolly mouse opossum is a member of the Didelphidae, as are these animals:
- Delicate slender opossum with 4 babies per pregnancy
- Woolly mouse opossum with 6 babies per pregnancy
- Brown four-eyed opossum with 4 babies per pregnancy
- White-bellied fat-tailed mouse opossum weighting only 15 grams
- Alston’s mouse opossum weighting only 132 grams
- Red mouse opossum weighting only 63 grams
- Patagonian opossum weighting only 78 grams
- Handley’s slender opossum weighting only 30 grams
- Tate’s woolly mouse opossum with 5 babies per pregnancy
- Brazilian slender opossum weighting only 38 grams
Animals that share a litter size with White-bellied woolly mouse opossum
Those animals also give birth to 8 babies at once:
- Golden hamster
- Narrow-headed vole
- Slender-tailed dunnart
- Grayish mouse opossum
- Thirteen-lined ground squirrel
- Campbell’s dwarf hamster
- Townsend’s ground squirrel
- Southern long-nosed armadillo
- Chestnut dunnart
- Grayish mouse opossum
Animals with the same weight as a White-bellied woolly mouse opossum
What other animals weight around 93 grams (0.21 lbs)?
- Kaiser’s rock rat weighting 90 grams
- Island tube-nosed fruit bat weighting 107 grams
- Wahlberg’s epauletted fruit bat weighting 93 grams
- Tiny tuco-tuco weighting 92 grams
- Diminutive woodrat weighting 80 grams
- Low’s squirrel weighting 85 grams
- Sooretamys weighting 100 grams
- Patagonian opossum weighting 78 grams
- Whiskered flying squirrel weighting 108 grams
- Shaw’s jird weighting 90 grams
Animals with the same size as a White-bellied woolly mouse opossum
Also reaching around 16.1 cm (0′ 7″) in size do these animals:
- Silky anteater gets as big as 17.7 cm (0′ 7″)
- Yellow-faced pocket gopher gets as big as 19.2 cm (0′ 8″)
- Gray mouse lemur gets as big as 14 cm (0′ 6″)
- Tsing-ling pika gets as big as 15.6 cm (0′ 7″)
- White-eared cotton rat gets as big as 15.7 cm (0′ 7″)
- Spotted ground squirrel gets as big as 14.5 cm (0′ 6″)
- Vogelkop mountain rat gets as big as 13.4 cm (0′ 6″)
- Four-striped ground squirrel gets as big as 18.2 cm (0′ 8″)
- Broad-toothed mouse gets as big as 16.6 cm (0′ 7″)
- Long-tailed Talaud mosaic-tailed rat gets as big as 15.2 cm (0′ 6″)