How many baby Black-footed tree-rats are in a litter?
A Black-footed tree-rat (Mesembriomys gouldii) usually gives birth to around 2 babies.With 4 litters per year, that sums up to a yearly offspring of 8 babies.
Each of those little ones spend around 44 days as a fetus before they are released into the wild. Upon birth, they weight 34 grams (0.07 lbs) and measure 1.5 cm (0′ 1″). They are a member of the Muridae family (genus: Mesembriomys). An adult Black-footed tree-rat grows up to a size of 30.1 cm (1′ 0″).
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 black-footed tree-rat also known as Djintamoonga (Mesembriomys gouldii) is one of two endemic arboreal rat species from the genus Mesembriomys found in the northern regions of Australia.The species is one of the largest murids found in Australia.
Other animals of the family Muridae
Black-footed tree-rat is a member of the Muridae, as are these animals:
- Southern red-backed vole with 5 babies per pregnancy
- Luzon striped rat weighting only 152 grams
- Shining thicket rat with 1 babies per pregnancy
- Morgan’s gerbil mouse weighting only 16 grams
- Beach vole with 4 babies per pregnancy
- Robbins’s tateril weighting only 47 grams
- Broad-toothed mouse with 1 babies per pregnancy
- Fossorial giant rat weighting only 168 grams
- Peruvian vesper mouse weighting only 20 grams
- Ryukyu spiny rat weighting only 84 grams
Animals that share a litter size with Black-footed tree-rat
Those animals also give birth to 2 babies at once:
- Silvery mole-rat
- Yellow-faced pocket gopher
- Big-eared swamp rat
- Mountain degu
- Savi’s pipistrelle
- Buffy-tufted marmoset
- Dark-footed mouse shrew
- European hare
- African yellow bat
- Silvery greater galago
Animals that get as old as a Black-footed tree-rat
Other animals that usually reach the age of 3.83 years:
- Small Japanese mole with 3.5 years
- Southern brown bandicoot with 3.75 years
- Kultarr with 3.25 years
- Hylaeamys megacephalus with 3.75 years
- Giant golden mole with 4 years
- Acacia rat with 3.5 years
- Brown four-eyed opossum with 4 years
- Little long-tailed dunnart with 3.17 years
- Lesser bamboo rat with 3.67 years
- Gray four-eyed opossum with 3.5 years
Animals with the same weight as a Black-footed tree-rat
What other animals weight around 716 grams (1.58 lbs)?
- Mountain cottontail weighting 803 grams
- D’Albertis’ ringtail possum weighting 796 grams
- European hedgehog weighting 789 grams
- Yellow ground squirrel weighting 779 grams
- Brumback’s night monkey weighting 603 grams
- Giant otter shrew weighting 685 grams
- Central Texas pocket gopher weighting 599 grams
- Rock cavy weighting 800 grams
- Black-capped squirrel monkey weighting 802 grams
- Golden lion tamarin weighting 593 grams
Animals with the same size as a Black-footed tree-rat
Also reaching around 30.1 cm (1′ 0″) in size do these animals:
- Bengal mongoose gets as big as 30.8 cm (1′ 1″)
- Cape ground squirrel gets as big as 24.7 cm (0′ 10″)
- Painted ringtail possum gets as big as 26.5 cm (0′ 11″)
- Basilan flying squirrel gets as big as 24.8 cm (0′ 10″)
- Amazon bamboo rat gets as big as 28.5 cm (1′ 0″)
- Rakali gets as big as 27.5 cm (0′ 11″)
- Coppery titi gets as big as 35.5 cm (1′ 2″)
- D’Albertis’ ringtail possum gets as big as 32.5 cm (1′ 1″)
- Cuban solenodon gets as big as 34.9 cm (1′ 2″)
- Angolan kusimanse gets as big as 32.6 cm (1′ 1″)