AnAge entry for Eschrichtius robustus
Classification (HAGRID: 02305)
- Taxonomy
-
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia (Taxon entry)
Order: Cetacea (Taxon entry)
Family: Eschrichtiidae
Genus: Eschrichtius
- Species
- Eschrichtius robustus
- Common name
- Gray whale
- Synonyms
- Eschrichtius gibbosus, Eschrichtius glaucus, Balaenoptera robusta
Lifespan, ageing, and relevant traits
- Maximum longevity
- 77 years (wild)
- Source
- ref. 573
- Sample size
- Medium
- Data quality
- Acceptable
- Observations
- No observations are presently available
Life history traits (averages)
- Female sexual maturity
- 2,922 days
- Male sexual maturity
- 2,922 days
- Gestation
- 395 days
- Weaning
- 180 days
- Litter size
- 1 (viviparous)
- Litters per year
- 0.5
- Inter-litter interval
- 730 days
- Weight at birth
- 500,000 g
- Weight at weaning
- Adult weight
- 28,500,000 g
- Postnatal growth rate
Metabolism
No information on metabolism is available.
References
- [1136] Gomes et al. (2011), Comparative biology of mammalian telomeres: hypotheses on ancestral states and the roles of telomeres in longevity determination (PubMed)
- [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
- [0573] David Macdonald (1985), The Encyclopedia of Mammals
External Resources
- Integrated Taxonomic Information System
- ITIS 180521
- Animal Diversity Web
- ADW account (if available)
- Encyclopaedia of Life
- Search EOL
- NCBI Taxonomy
- Taxonomy ID 9764
- Entrez
- Search all databases
- Ageing Literature
- Search Google Scholar or Search PubMed
- Images
- Google Image search
- Internet
- Search Google