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AnAge entry for Eschrichtius robustus

Classification (HAGRID: 02652)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Eschrichtiidae
                    Genus: Eschrichtius
SpeciesEschrichtius robustus
Common nameGray whale

Lifespan, ageing, and relevant traits

Maximum longevity77 years (wild)
Sourceref. 573
Sample sizemedium
Data qualityacceptable
ObservationsNo observations are presently available

Life history traits (averages)

Female sexual maturity2,922 days
Male sexual maturity2,922 days
Gestation395 days
Weaning180 days
Litter size1 (viviparous)
Litters per year0.5
Inter-litter interval730 days
Weight at birth500,000 g
Weight at weaning
Adult weight28,500,000 g
Postnatal growth rate

Metabolism

No information on metabolism available.

References
[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 SystemITIS 180521
Animal Diversity WebADW account (if available)
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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Ageing literature

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AnAge database at the Human Ageing Genomic Resources.

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