How many baby Brazilian spiny tree-rats are in a litter?
A Brazilian spiny tree-rat (Makalata armata) usually gives birth to around 1 babies.
Upon birth, they weight 673 grams (1.48 lbs) and measure 3.8 cm (0′ 2″). They are a member of the Echimyidae family (genus: Makalata). An adult Brazilian spiny tree-rat grows up to a size of 59.5 cm (2′ 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 Brazilian spiny tree rat (Makalata didelphoides) is a species of rodent in the family Echimyidae. It is found in Bolivia, Brazil, French Guiana, Guyana, Suriname, Venezuela, and Trinidad & Tobago where it lives in lowland tropical rainforest. There is also a population in Ecuador which is referable either to this species or to Makalata macrurus. It is nocturnal, and eats seeds.
Other animals of the family Echimyidae
Brazilian spiny tree-rat is a member of the Echimyidae, as are these animals:
- Guyenne spiny rat with 2 babies per pregnancy
- Woolly-headed spiny tree-rat weighting only 108 grams
- Tuft-tailed spiny tree-rat weighting only 138 grams
- Drab Atlantic tree-rat weighting only 260 grams
- Gracile Atlantic spiny rat with 1 babies per pregnancy
- Bolivian bamboo rat weighting only 729 grams
- Long-tailed spiny rat weighting only 205 grams
- Ferreira’s spiny tree-rat weighting only 175 grams
- Ihering’s Atlantic spiny rat weighting only 220 grams
- Mouse-tailed Atlantic spiny rat weighting only 284 grams
Animals that share a litter size with Brazilian spiny tree-rat
Those animals also give birth to 1 babies at once:
- Fin whale
- Pennant’s colobus
- Blackbuck
- Little free-tailed bat
- Thorold’s deer
- Large-eared pied bat
- Northern viscacha
- Rüppell’s pipistrelle
- Mashona mole-rat
- Kloss’s gibbon
Animals that get as old as a Brazilian spiny tree-rat
Other animals that usually reach the age of 3.08 years:
- Sminthopsis laniger with 3.25 years
- Talas tuco-tuco with 3 years
- Alpine pika with 3 years
- Brazilian spiny tree-rat with 3.08 years
- Japanese mole with 3.5 years
- Black myotis with 3.5 years
- Narrow-nosed planigale with 3 years
- Bush rat with 3.42 years
- African pygmy mouse with 3.08 years
- Merriam’s pocket mouse with 2.5 years
Animals with the same weight as a Brazilian spiny tree-rat
What other animals weight around 400 grams (0.88 lbs)?
- Cotton-top tamarin weighting 463 grams
- Bolivian tuco-tuco weighting 462 grams
- Weyland ringtail possum weighting 456 grams
- Epixerus ebii wilsoni weighting 422 grams
- Colburn’s tuco-tuco weighting 400 grams
- Northern quoll weighting 477 grams
- Long-tailed armored tree-rat weighting 439 grams
- Allen’s woodrat weighting 368 grams
- Greater stick-nest rat weighting 329 grams
- Mutable sun squirrel weighting 390 grams