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AnAge entry for Okapia johnstoni

Classification (HAGRID: 02396)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Artiodactyla
                Family: Giraffidae
                    Genus: Okapia
SpeciesOkapia johnstoni
Common nameOkapi

Lifespan, ageing, and relevant traits

Maximum longevity33.5 years (captivity)
Sourceref. 671
Sample sizemedium
Data qualityacceptable
ObservationsNo observations are presently available

Life history traits (averages)

Female sexual maturity578 days
Male sexual maturity790 days
Gestation458 days
Weaning194 days
Litter size1 (viviparous)
Litters per year0.8
Inter-litter interval
Weight at birth16,000 g
Weight at weaning77,000 g
Adult weight225,000 g
Postnatal growth rate
Maximum longevity residual104 %

Metabolism

No information on metabolism available.

References
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0610] Ernest (2003), Life history characteristics of placental non-volant mammals
[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
[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 625037
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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