How many baby Collared tuco-tucos are in a litter?
A Collared tuco-tuco (Ctenomys torquatus) usually gives birth to around 2 babies.
Each of those little ones spend around 107 days as a fetus before they are released into the wild. Upon birth, they weight 8 grams (0.02 lbs) and measure 1.9 cm (0′ 1″). They are a member of the Ctenomyidae family (genus: Ctenomys). An adult Collared tuco-tuco grows up to a size of 18.7 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 collared tuco-tuco (Ctenomys torquatus) is a tuco-tuco species from South America. It is found in southern Brazil, Uruguay and northern Argentina where it lives underground in a burrow it digs in savannah habitats. It is a relatively common species and the IUCN has assessed its conservation status as being of “least concern”.
Other animals of the family Ctenomyidae
Collared tuco-tuco is a member of the Ctenomyidae, as are these animals:
- Bolivian tuco-tuco weighting only 462 grams
- Haig’s tuco-tuco weighting only 164 grams
- Goya tuco-tuco weighting only 400 grams
- Southern tuco-tuco weighting only 403 grams
- San Luis tuco-tuco weighting only 400 grams
- Magellanic tuco-tuco weighting only 272 grams
- Chacoan tuco-tuco weighting only 166 grams
- Mendoza tuco-tuco weighting only 179 grams
- Peruvian tuco-tuco with 3 babies per pregnancy
- White-toothed tuco-tuco weighting only 244 grams
Animals that share a litter size with Collared tuco-tuco
Those animals also give birth to 2 babies at once:
- Least groove-toothed swamp rat
- Broad-toothed mouse
- Mountain treeshrew
- Marbled cat
- Crested porcupine
- Highland tuco-tuco
- Buettikofer’s shrew
- Large tree mouse
- Yellow-faced pocket gopher
- Short-tailed gymnure
Animals with the same weight as a Collared tuco-tuco
What other animals weight around 210 grams (0.46 lbs)?
- Annandale’s rat weighting 197 grams
- Golden Atlantic tree-rat weighting 243 grams
- Indian hedgehog weighting 171 grams
- American red squirrel weighting 200 grams
- Dassie rat weighting 224 grams
- Fossorial giant rat weighting 168 grams
- Southeastern pocket gopher weighting 201 grams
- Greedy olalla rat weighting 206 grams
- Mohave ground squirrel weighting 213 grams
- Red-cheeked rope squirrel weighting 250 grams
Animals with the same size as a Collared tuco-tuco
Also reaching around 18.7 cm (0′ 8″) in size do these animals:
- Angoni vlei rat gets as big as 15 cm (0′ 6″)
- Large-scaled mosaic-tailed rat gets as big as 16.1 cm (0′ 7″)
- Kowari gets as big as 15.8 cm (0′ 7″)
- Eastern woodrat gets as big as 21.2 cm (0′ 9″)
- Striped treeshrew gets as big as 18.5 cm (0′ 8″)
- Indian hedgehog gets as big as 18 cm (0′ 8″)
- Mindanao hairy-tailed rat gets as big as 17.5 cm (0′ 7″)
- Speckled dasyure gets as big as 19.6 cm (0′ 8″)
- Great-tailed triok gets as big as 22.3 cm (0′ 9″)
- Silvery mole-rat gets as big as 15.5 cm (0′ 7″)