How many baby Earless water rats are in a litter?
A Earless water rat (Crossomys moncktoni) usually gives birth to around 1 babies.
Upon birth, they weight 9 grams (0.02 lbs) and measure 2.9 cm (0′ 2″). They are a member of the Muridae family (genus: Crossomys). An adult Earless water rat grows up to a size of 19.3 cm (0′ 8″).
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 earless water rat (Crossomys moncktoni) is a New Guinea rodent, part of the Hydromys group of the subfamily of Old World rats and mice (Murinae). It is the only species of the genus Crossomys. This species is probably most closely related to Baiyankamys. It is still unclear to which species this group is related. It is one of the most aquatically adapted rodents of the world.
Other animals of the family Muridae
Earless water rat is a member of the Muridae, as are these animals:
- Southern mole vole with 3 babies per pregnancy
- Montane wood mouse with 4 babies per pregnancy
- Kemp’s thicket rat weighting only 75 grams
- Lesser bandicoot rat with 7 babies per pregnancy
- Oligoryzomys flavescens with 5 babies per pregnancy
- Sandy inland mouse with 2 babies per pregnancy
- Central rock rat weighting only 100 grams
- Mottled-tailed shrew mouse weighting only 18 grams
- Kemp’s grass mouse weighting only 26 grams
- Mindanao mountain rat raching a size of 12.8 cm (0′ 6″)
Animals that share a litter size with Earless water rat
Those animals also give birth to 1 babies at once:
- Evening bat
- Geoffroy’s spider monkey
- Woylie
- Big-headed African mole-rat
- Red-necked wallaby
- Western long-tongued bat
- Hartebeest
- Three-striped night monkey
- Underwood’s bonneted bat
- Kuhl’s pipistrelle
Animals with the same weight as a Earless water rat
What other animals weight around 168 grams (0.37 lbs)?
- New Britain naked-backed fruit bat weighting 179 grams
- New Caledonia flying fox weighting 151 grams
- Fischer’s guiara weighting 188 grams
- Striped treeshrew weighting 168 grams
- Sangihe tarsier weighting 165 grams
- Waterhouse’s swamp rat weighting 146 grams
- Papuan bandicoot weighting 158 grams
- Arizona cotton rat weighting 198 grams
- Harpy fruit bat weighting 135 grams
- Dusky rat weighting 146 grams
Animals with the same size as a Earless water rat
Also reaching around 19.3 cm (0′ 8″) in size do these animals:
- Bridges’s degu gets as big as 15.9 cm (0′ 7″)
- Palawan montane squirrel gets as big as 21 cm (0′ 9″)
- Black-striped squirrel gets as big as 20.3 cm (0′ 8″)
- Southern Palawan tree squirrel gets as big as 21 cm (0′ 9″)
- Lorentz’s mosaic-tailed rat gets as big as 17.5 cm (0′ 7″)
- Bare-tailed woolly mouse opossum gets as big as 20.4 cm (0′ 9″)
- Rajah spiny rat gets as big as 16.7 cm (0′ 7″)
- Stein’s rat gets as big as 17.1 cm (0′ 7″)
- European water vole gets as big as 19.3 cm (0′ 8″)
- Ceram fruit bat gets as big as 20.2 cm (0′ 8″)