It is hard to guess what a Guaira spiny rat weights. But we have the answer:
An adult Guaira spiny rat (Proechimys guairae) on average weights 349 grams (0.77 lbs).
The Guaira spiny rat is from the family Echimyidae (genus: Proechimys). It is usually born with about 25 grams (0.06 lbs). When reaching adult age, they grow up to 19.7 cm (0′ 8″). On average, Guaira spiny rats can have babies 4 times per year with a litter size of 2.
As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.
The Guaira spiny-rat (Proechimys guairae) is a species of rodent in the family Echimyidae. It is endemic to Venezuela. It is commonly referred to as ‘casiragua’ to avoid confusion with true rats (Muroidea)
Animals of the same family as a Guaira spiny rat
We found other animals of the Echimyidae family:
- Amazon bamboo rat with a weight of 650 grams
- Peruvian tree-rat with a weight of 315 grams
- Short-tailed spiny rat with a weight of 284 grams
- Atlantic bamboo rat with a weight of 600 grams
- Soft-spined Atlantic spiny rat with a weight of 168 grams
- Boyacá spiny rat with a weight of 284 grams
- Golden Atlantic tree-rat with a weight of 243 grams
- Golden Atlantic tree-rat with a weight of 243 grams
- Fischer’s guiara with a weight of 188 grams
- Long-tailed armored tree-rat with a weight of 439 grams
Animals with the same weight as a Guaira spiny rat
As a comparison, here are some other animals that weight as much as the Proechimys guairae:
- Peruvian tree-rat bringing 315 grams to the scale
- Orange-brown Atlantic tree-rat bringing 296 grams to the scale
- Müller’s giant Sunda rat bringing 356 grams to the scale
- Big-eared flying fox bringing 365 grams to the scale
- Uinta ground squirrel bringing 307 grams to the scale
- Geelvink Bay flying fox bringing 351 grams to the scale
- Simons’s spiny rat bringing 284 grams to the scale
- Camas pocket gopher bringing 360 grams to the scale
- Mouse-tailed Atlantic spiny rat bringing 285 grams to the scale
- Brazilian spiny tree-rat bringing 398 grams to the scale
Animals with the same litter size as a Guaira spiny rat
Here is a list of animals that have the same number of babies per litter (2) as a Guaira spiny rat: