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AnAge entry for Balaenoptera borealis

Classification (HAGRID: 02628)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Cetacea (Taxon entry)
                Family: Balaenopteridae
                    Genus: Balaenoptera
SpeciesBalaenoptera borealis
Common nameSei whale

Lifespan, ageing, and relevant traits

Maximum longevity74 years (wild)
Sourceref. 1
Sample sizemedium
Data qualityacceptable
ObservationsNo observations are presently available

Life history traits (averages)

Female sexual maturity3,652 days
Male sexual maturity3,652 days
Gestation345 days
Weaning266 days
Litter size1 (viviparous)
Litters per year0.5
Inter-litter interval730 days
Weight at birth680,000 g
Weight at weaning
Adult weight20,000,000 g
Postnatal growth rate

Metabolism

No information on metabolism available.

References
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals
[0447] Pieter Folkens et al. (2002), National Audubon Society Guide to 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
[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
[0001] Longevity Records: Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish

External resources

Integrated Taxonomic Information SystemITIS 180526
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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