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AnAge entry for Choloepus didactylus


Classification (HAGRID: 02984)
TaxonomyKingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Pilosa
                Family: Megalonychidae
                    Genus: Choloepus
SpeciesCholoepus didactylus
Common nameLinne's two-toed sloth

Lifespan, ageing, and relevant traits

Maximum longevity36.8 years (captivity)
Sourceref. 671
Sample sizemedium
Data qualityacceptable
Observations

This animal has the lowest and most variable body temperature among mammals (24 to 33ºC) [0434]. A 36.8 years old female is reported to be still alive at the Smithsonian National Zoo [0609].

Life history traits (averages)

Female sexual maturity1,279 days
Male sexual maturity1,644 days
Gestation279 days
Weaning152 days
Litter size1 (viviparous)
Litters per year1
Inter-litter interval616 days
Weight at birth356 g
Weight at weaning
Adult weight6,250 g
Postnatal growth rate0.002 days-1 (from Gompertz function)
Maximum longevity residual197 %

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
[0470] Taube et al. (2001), Reproductive biology and postnatal development in sloths, Bradypus and Choloepus: review with original data from the field (French Guiana) and from captivity
[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
[0542] Bernhard Grzimek (1990), Grzimek's Encyclopedia of Mammals
[0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
[0609] National Zoo

External resources

Integrated Taxonomic Information SystemITIS 624908
Animal Diversity WebADW account
Encyclopedia of LifeSearch EOL
Genome ProjectSearch NCBI
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