How many baby Lusitanian pine voles are in a litter?
A Lusitanian pine vole (Microtus lusitanicus) usually gives birth to around 2 babies.
Each of those little ones spend around 20 days as a fetus before they are released into the wild. Upon birth, they weight 1 grams (0 lbs) and measure 1.8 cm (0′ 1″). They are a member of the Muridae family (genus: Microtus). An adult Lusitanian pine vole grows up to a size of 11.9 cm (0′ 5″).
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 Lusitanian pine vole (Microtus lusitanicus) is a species of rodent in the family Cricetidae.It is endemic to the northwestern half of the Iberian Peninsula where it occurs in central and northern Portugal, northwest Spain, and in the extreme south west of France.
Other animals of the family Muridae
Lusitanian pine vole is a member of the Muridae, as are these animals:
- Hispid cotton rat with 5 babies per pregnancy
- Tiny fat mouse weighting only 5 grams
- Northern bog lemming with 4 babies per pregnancy
- Brucepattersonius iheringi weighting only 43 grams
- Molaccan prehensile-tailed rat weighting only 148 grams
- Bank vole with 4 babies per pregnancy
- Summit rat weighting only 107 grams
- Aegialomys galapagoensis becoming 1.67 years old
- Bramble Cay melomys weighting only 100 grams
- Venezuelan climbing mouse weighting only 89 grams
Animals that share a litter size with Lusitanian pine vole
Those animals also give birth to 2 babies at once: