It is hard to guess what a Guyenne spiny rat weights. But we have the answer:
An adult Guyenne spiny rat (Proechimys guyannensis) on average weights 314 grams (0.69 lbs).
The Guyenne spiny rat is from the family Echimyidae (genus: Proechimys). It is usually born with about 24 grams (0.05 lbs). They can live for up to 4.75 years. When reaching adult age, they grow up to 22 cm (0′ 9″). Usually, Guyenne spiny rats have 2 babies per litter.
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 Guyenne spiny-rat, Proechimys guyannensis, or Cayenne spiny rat, is a spiny rat species from South America. It is found in Brazil, Colombia, French Guiana, Guyana, Surinam and Venezuela.
Animals of the same family as a Guyenne spiny rat
We found other animals of the Echimyidae family:
- Soft-spined Atlantic spiny rat with a weight of 168 grams
- Woolly-headed spiny tree-rat with a weight of 108 grams
- Amazon bamboo rat with a weight of 650 grams
- Painted tree-rat with a weight of 519 grams
- Broad-headed spiny rat with a weight of 201 grams
- Simons’s spiny rat with a weight of 285 grams
- Giant tree-rat with a weight of 584 grams
- Colombian spiny rat with a weight of 312 grams
- Boyacá spiny rat with a weight of 284 grams
- Golden Atlantic tree-rat with a weight of 243 grams
Animals with the same weight as a Guyenne spiny rat
As a comparison, here are some other animals that weight as much as the Proechimys guyannensis:
- Emilia’s marmoset bringing 309 grams to the scale
- Guyenne spiny rat bringing 285 grams to the scale
- Cuvier’s spiny rat bringing 339 grams to the scale
- Camas pocket gopher bringing 360 grams to the scale
- Roberto’s spiny rat bringing 284 grams to the scale
- Common marmoset bringing 291 grams to the scale
- Orange-brown Atlantic tree-rat bringing 312 grams to the scale
- Lowland ringtail possum bringing 300 grams to the scale
- Edwards’s long-tailed giant rat bringing 304 grams to the scale
- Short-tailed spiny rat bringing 285 grams to the scale
Animals with the same size as a Guyenne spiny rat
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Guyenne spiny rat:
- Golden lion tamarin with a size of 26.1 cm (0′ 11″)
- Long-haired rat with a size of 18.6 cm (0′ 8″)
- Oncilla with a size of 25 cm (0′ 10″)
- Four-striped ground squirrel with a size of 18.2 cm (0′ 8″)
- Ornate flying fox with a size of 18.3 cm (0′ 8″)
- Borneo black-banded squirrel with a size of 20.3 cm (0′ 8″)
- Smoky pocket gopher with a size of 21.5 cm (0′ 9″)
- Yucatan squirrel with a size of 23.6 cm (0′ 10″)
- Kintampo rope squirrel with a size of 18.3 cm (0′ 8″)
- Mexican woodrat with a size of 18.4 cm (0′ 8″)
Animals with the same litter size as a Guyenne spiny rat
Here is a list of animals that have the same number of babies per litter (2) as a Guyenne spiny rat:
- Honey badger
- Mexican vole
- Richmond’s squirrel
- Meller’s mongoose
- Short-tailed gymnure
- Northern pygmy mouse
- Siberian flying squirrel
- Congo rope squirrel
- Tome’s spiny rat
- Southern yellow bat
Animals with the same life expectancy as a Guyenne spiny rat
Completely different animals, but becoming as old as a Guyenne spiny rat:
- Sumichrast’s vesper rat with an average maximal age of 5.17 years
- Common sheath-tailed bat with an average maximal age of 5 years
- Brown-tailed mongoose with an average maximal age of 4.75 years
- Pallas’s pika with an average maximal age of 4 years
- Yellow-faced pocket gopher with an average maximal age of 4.67 years
- Derby’s woolly opossum with an average maximal age of 5 years
- Greater cane rat with an average maximal age of 4.25 years
- Saharan striped polecat with an average maximal age of 5 years
- Hairy-tailed mole with an average maximal age of 5 years
- Cave nectar bat with an average maximal age of 5 years