AnAge entry for Gulo gulo

Classification (HAGRID: 02625)

Taxonomy
Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Carnivora
                Family: Mustelidae
                    Genus: Gulo
Species
Gulo gulo
Common name
Wolverine

Lifespan, ageing, and relevant traits

Maximum longevity
19.5 years (captivity)
Source
ref. 671
Sample size
Medium
Data quality
Acceptable
Observations

These animals feature delayed implantation [0434]. Depending on how long the implantation takes to occur, the total gestation time can take from 120 to 272 days, even though the active developmental time is about 35 days [0455].

Life history traits (averages)

Female sexual maturity
710 days
Male sexual maturity
776 days
Gestation
35 days
Weaning
87 days
Litter size
3 (viviparous)
Litters per year
0.5
Inter-litter interval
639 days
Weight at birth
95 g
Weight at weaning
Adult weight
16,333 g
Postnatal growth rate
0.0182 days-1 (from Gompertz function)
Maximum longevity residual
90%

Metabolism

Typical body temperature
310ºK or 37.0ºC or 98.6ºF
Basal metabolic rate
31.7650 W
Body mass
12700.0 g
Metabolic rate per body mass
0.002501 W/g

References

External Resources

Integrated Taxonomic Information System
ITIS 180551
Animal Diversity Web
ADW account
Encyclopaedia of Life
Search EOL
NCBI Taxonomy
Taxonomy ID 48420
Entrez
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Ageing Literature
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Images
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Internet
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