What is the maximal age a Guyenne spiny rat reaches?
An adult Guyenne spiny rat (Proechimys cayennensis) usually gets as old as 4.75 years.
Guyenne spiny rats are around 63 days in the womb of their mother. When born, they weight 24 grams (0.05 lbs) and measure 19.1 cm (0′ 8″). As a member of the Echimyidae family (genus: Proechimys), their offspring is 2 babies per pregnancy. Fully grown, they reach a bodylength of 22 cm (0′ 9″).
As a reference: Usually, humans get as old as 100 years, with the average being around 75 years. After being carried in the belly of their mother for 280 days (40 weeks), they grow to an average size of 1.65m (5′ 5″) and weight in at 62 kg (137 lbs), which is obviously highly individual.
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
Not really brothers and sisters, but from the same biological family (Echimyidae):
- Dusky spiny tree-rat bringing the scale to 108 grams
- Dark spiny tree-rat bringing the scale to 627 grams
- Minca spiny rat bringing the scale to 284 grams
- Pacific spiny rat bringing the scale to 284 grams
- Dusky spiny tree-rat bringing the scale to 108 grams
- Peruvian tree-rat bringing the scale to 315 grams
- White-tailed olalla rat bringing the scale to 274 grams
- Magdalena spiny rat bringing the scale to 284 grams
- Short-tailed spiny rat bringing the scale to 285 grams
- Long-tailed armored tree-rat bringing the scale to 439 grams
Animals that reach the same age as Guyenne spiny rat
With an average age of 4.75 years, Guyenne spiny rat are in good companionship of the following animals:
- Forest giant squirrel usually reaching 5.08 years
- Bridled nail-tail wallaby usually reaching 5 years
- Golden-rumped elephant shrew usually reaching 4 years
- Common planigale usually reaching 4 years
- Forest dormouse usually reaching 4 years
- Spinifex hopping mouse usually reaching 5.17 years
- Yellow-pine chipmunk usually reaching 5.17 years
- Spix’s yellow-toothed cavy usually reaching 4.58 years
- Rufous horseshoe bat usually reaching 5 years
- Tullberg’s soft-furred mouse usually reaching 5.17 years
Animals with the same number of babies Guyenne spiny rat
The same number of babies at once (2) are born by:
- Big Mexican small-eared shrew
- Mexican small-eared shrew
- Cape genet
- Durango chipmunk
- Masked palm civet
- Cactus mouse
- Talazac’s shrew tenrec
- Large-scaled mosaic-tailed rat
- Long-tailed pygmy possum
- Brown hyena
Weighting as much as Guyenne spiny rat
A fully grown Guyenne spiny rat reaches around 315 grams (0.69 lbs). So do these animals:
- Long-fingered triok with 370 grams
- Rodrigues flying fox with 256 grams
- Roberto’s spiny rat with 284 grams
- Big-eared flying fox with 365 grams
- Simons’s spiny rat with 284 grams
- Black-tufted marmoset with 340 grams
- Black-shouldered opossum with 258 grams
- Belding’s ground squirrel with 272 grams
- Kinabalu squirrel with 324 grams
- Short-tailed spiny rat with 285 grams
Animals as big as a Guyenne spiny rat
Those animals grow as big as a Guyenne spiny rat:
- Davao squirrel with 21 cm (0′ 9″)
- Allen’s squirrel with 23.4 cm (0′ 10″)
- New Guinean rat with 17.7 cm (0′ 7″)
- Sulawesi flying fox with 20.1 cm (0′ 8″)
- Ilin Island cloudrunner with 25.3 cm (0′ 10″)
- European water vole with 19.3 cm (0′ 8″)
- European water vole with 19.3 cm (0′ 8″)
- Daurian hedgehog with 21.5 cm (0′ 9″)
- Lyle’s flying fox with 23.7 cm (0′ 10″)
- Ornate flying fox with 18.3 cm (0′ 8″)