How many baby White-faced spiny tree-rats are in a litter?
A White-faced spiny tree-rat (Echimys chrysurus) usually gives birth to around 1 babies.
Upon birth, they weight 23.48 kg (51.76 lbs) and measure 1.1 meter (3′ 8″). They are a member of the Echimyidae family (genus: Echimys). An adult White-faced spiny tree-rat grows up to a size of 29.7 cm (1′ 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 white-faced spiny tree-rat, Echimys chrysurus, is a spiny rat species from South America. It is found in Brazil, French Guiana, Guyana and Suriname.The etymology of the species name derives from the two ancient greek words χρυσός (khrusós), gold, and οὐρά (ourá), animal tail.The main diagnostic character state of this Echimys species is the presence of a dorsal white median stripe on the head. As compared to Echimys vieirai and Echimys saturnus, E. chrysurus also possesses a brighter dorsum.
Other animals of the family Echimyidae
White-faced spiny tree-rat is a member of the Echimyidae, as are these animals:
- Orange-brown Atlantic tree-rat weighting only 296 grams
- Dark spiny tree-rat weighting only 627 grams
- Tome’s spiny rat with 2 babies per pregnancy
- Soft-spined Atlantic spiny rat with 2 babies per pregnancy
- Short-tailed spiny rat weighting only 285 grams
- Bolivian bamboo rat weighting only 729 grams
- Owl’s spiny rat weighting only 114 grams
- Armored rat with 2 babies per pregnancy
- Giant Atlantic tree-rat weighting only 502 grams
- Napo spiny rat weighting only 285 grams
Animals that share a litter size with White-faced spiny tree-rat
Those animals also give birth to 1 babies at once:
- Tufted deer
- Common blossom bat
- Formosan rock macaque
- Gould’s long-eared bat
- New Britain naked-backed fruit bat
- Swamp wallaby
- Common spotted cuscus
- Rock cavy
- Jalapan pine vole
- Pudú
Animals with the same weight as a White-faced spiny tree-rat
What other animals weight around 610 grams (1.34 lbs)?
- Variable pocket gopher weighting 615 grams
- Bougainville monkey-faced bat weighting 573 grams
- Black-footed tree-rat weighting 716 grams
- Guadalcanal monkey-faced bat weighting 489 grams
- Big-headed African mole-rat weighting 622 grams
- Bismarck giant rat weighting 613 grams
- Giant tree-rat weighting 584 grams
- Bulmer’s fruit bat weighting 621 grams
- Greater bandicoot rat weighting 583 grams
- White-lipped tamarin weighting 509 grams
Animals with the same size as a White-faced spiny tree-rat
Also reaching around 29.7 cm (1′ 0″) in size do these animals:
- Peters’s squirrel gets as big as 26.8 cm (0′ 11″)
- Variegated squirrel gets as big as 26.3 cm (0′ 11″)
- Greater grison gets as big as 25.7 cm (0′ 11″)
- Solomons flying fox gets as big as 25.6 cm (0′ 11″)
- Giant white-tailed rat gets as big as 28.3 cm (1′ 0″)
- Marbled polecat gets as big as 31.9 cm (1′ 1″)
- Eastern lesser bamboo lemur gets as big as 33.5 cm (1′ 2″)
- Eastern barred bandicoot gets as big as 32.3 cm (1′ 1″)
- Pied tamarin gets as big as 23.9 cm (0′ 10″)
- Brazilian three-banded armadillo gets as big as 30 cm (1′ 0″)