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AnAge entry for Berardius bairdii

Classification (HAGRID: 02664)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Ziphiidae
                    Genus: Berardius
SpeciesBerardius bairdii
Common nameBaird's beaked whale

Lifespan, ageing, and relevant traits

Maximum longevity84 years (wild)
Sourcemultiple references, please see bibliography below
Sample sizemedium
Data qualityacceptable
Observations

These animals reach sexual maturity in about 10 years but they only reach physical maturity in about 20 years [0434].

Life history traits (averages)

Female sexual maturity4,383 days
Male sexual maturity2,922 days
Gestation517 days
Weaning
Litter size1 (viviparous)
Litters per year
Inter-litter interval
Weight at birth
Weight at weaning
Adult weight11,380,000 g
Postnatal growth rate

Metabolism

No information on metabolism available.

References
[0443] Ronald Nowak (2003), Walker's Marine Mammals of the World
[0434] Ronald Nowak (1999), Walker's Mammals of the World
[0538] Don Wilson and Sue Ruff (1999), The Smithsonian Book of North American Mammals
[0680] Wootton (1987), The effects of body mass, phylogeny, habitat, and trophic level on mammalian age at first reproduction

External resources

Integrated Taxonomic Information SystemITIS 180496
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
Entrez

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Ageing literature

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