AnAge entry for Sciurus griseus
Classification (HAGRID: 03165)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Rodentia
Family: Sciuridae
Genus: Sciurus
- Species
- Sciurus griseus
- Common name
- Western gray squirrel
Lifespan, ageing, and relevant traits
- Maximum longevity
- Not yet established
- Observations
Little is known about the longevity of these animals. There are anecdotal reports of animals living up to 11 years, which is plausible. Record longevity for an individual in captivity, though, is 6.3 years [0671].
Life history traits (averages)
- Female sexual maturity
- 319 days
- Male sexual maturity
- Gestation
- 44 days
- Weaning
- 61 days
- Litter size
- 3 (viviparous)
- Litters per year
- 1
- Inter-litter interval
- Weight at birth
- Weight at weaning
- Adult weight
- 425 g
- Postnatal growth rate
Metabolism
No information on metabolism is available.
References
- [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
- [0610] Ernest (2003), Life history characteristics of placental non-volant mammals
- [0538] Don Wilson and Sue Ruff (1999), The Smithsonian Book of North American Mammals
- [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
External Resources
- Integrated Taxonomic Information System
- ITIS 180176
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 53278
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google