How many baby Ricefield rats are in a litter?
A Ricefield rat (Rattus argentiventer) usually gives birth to around 9 babies.
Each of those little ones spend around 21 days as a fetus before they are released into the wild. Upon birth, they weight 916 grams (2.02 lbs) and measure 15 cm (0′ 6″). They are a member of the Muridae family (genus: Rattus). An adult Ricefield 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 ricefield rat (Rattus argentiventer) is a species of rat found throughout Southeast Asia.
Other animals of the family Muridae
Ricefield rat is a member of the Muridae, as are these animals:
- Montane fish-eating rat with 1 babies per pregnancy
- Buffoon striped grass mouse weighting only 26 grams
- Bavarian pine vole raching a size of 9.8 cm (0′ 4″)
- Small pencil-tailed tree mouse weighting only 28 grams
- Bushy-tailed woodrat with 3 babies per pregnancy
- Emin’s pouched rat weighting around 1.28 kilograms (2.82 lbs)
- Oyapock’s fish-eating rat weighting only 47 grams
- Long-footed water rat with 1 babies per pregnancy
- Blyth’s vole with 1 babies per pregnancy
- Chestnut climbing mouse with 3 babies per pregnancy
Animals that share a litter size with Ricefield rat
Those animals also give birth to 9 babies at once:
- Texas antelope squirrel
- Ciscaucasian hamster
- Franklin’s ground squirrel
- Robinson’s mouse opossum
- Turkish hamster
- Steppe polecat
- Sikkim rat
Animals with the same weight as a Ricefield rat
What other animals weight around 165 grams (0.36 lbs)?
- Lesser stick-nest rat weighting 150 grams
- Middle East blind mole-rat weighting 180 grams
- Madras treeshrew weighting 160 grams
- Brush-tailed phascogale weighting 193 grams
- Mount Pirri isthmus rat weighting 138 grams
- Soft-spined Atlantic spiny rat weighting 167 grams
- Indian hedgehog weighting 171 grams
- Bryant’s woodrat weighting 182 grams
- Nectomys squamipes weighting 185 grams
- Large New Guinea spiny rat weighting 194 grams
Animals with the same size as a Ricefield rat
Also reaching around 19.3 cm (0′ 8″) in size do these animals:
- Tropical ground squirrel gets as big as 17.8 cm (0′ 8″)
- Vogelkop ringtail possum gets as big as 21.6 cm (0′ 9″)
- Red spiny rat gets as big as 16.7 cm (0′ 7″)
- Ruwenzori sun squirrel gets as big as 22.6 cm (0′ 9″)
- Jentink’s squirrel gets as big as 21 cm (0′ 9″)
- White-bellied woolly mouse opossum gets as big as 16.1 cm (0′ 7″)
- Townsend’s ground squirrel gets as big as 17.3 cm (0′ 7″)
- Tawitawi forest rat gets as big as 19 cm (0′ 8″)
- San Joaquin antelope squirrel gets as big as 16.8 cm (0′ 7″)
- Fat-tailed dwarf lemur gets as big as 22.5 cm (0′ 9″)