AnAge entry for Tamias townsendii
Classification (HAGRID: 03185)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Rodentia
Family: Sciuridae
Genus: Tamias
- Species
- Tamias townsendii
- Common name
- Townsend's chipmunk
Lifespan, ageing, and relevant traits
- Maximum longevity
- 9.3 years (captivity)
- Source
- ref. 671
- Sample size
- Small
- Data quality
- Acceptable
- Observations
It has been reported that these animals live up to 10.2 years [0434], which is possible but has not been confirmed. One captive specimen lived 9.3 years [0671].
Life history traits (averages)
- Female sexual maturity
- 353 days
- Male sexual maturity
- Gestation
- 28 days
- Weaning
- 50 days
- Litter size
- 4.5 (viviparous)
- Litters per year
- 1
- Inter-litter interval
- Weight at birth
- 3.5 g
- Weight at weaning
- 35 g
- Adult weight
- 75 g
- Postnatal growth rate
- 0.0333 days-1 (from Gompertz function)
- Maximum longevity residual
- 98%
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
- [0434] Ronald Nowak (1999), Walker's Mammals of the World
- [0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
- [0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction
- [0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
External Resources
- Integrated Taxonomic Information System
- ITIS 180208
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 123796
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google