AnAge entry for Castor fiber
Classification (HAGRID: 03281)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Rodentia
Family: Castoridae
Genus: Castor
- Species
- Castor fiber
- Common name
- European beaver
Lifespan, ageing, and relevant traits
- Maximum longevity
- Not yet established
- Observations
It has been suggested that beavers may live as much as 50 years [0434], which is doubtful. Although the maximum longevity of this species cannot be correctly estimated, one specimen lived 13.7 years in captivity [0671].
Life history traits (averages)
- Female sexual maturity
- 639 days
- Male sexual maturity
- 639 days
- Gestation
- 105 days
- Weaning
- 76 days
- Litter size
- 3 (viviparous)
- Litters per year
- 1
- Inter-litter interval
- 365 days
- Weight at birth
- 530 g
- Weight at weaning
- 4,200 g
- Adult weight
- 25,000 g
- Postnatal growth rate
- 0.0104 days-1 (from Gompertz function)
Metabolism
No information on metabolism is available.
References
- [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
- [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
- [0542] Bernhard Grzimek (1990), Grzimek's Encyclopedia of Mammals
- [0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
External Resources
- Integrated Taxonomic Information System
- ITIS 573165
- Animal Diversity Web
- ADW account
- Encyclopaedia of Life
- Search EOL
- Genome Project
- Search NCBI
- Entrez
- Search all databases or Entrez Taxonomy search
- Ageing Literature
- Search Google Scholar or Search PubMed or Search Scirus
- Images
- Google Image search
- Internet
- Search Google