AnAge entry for Diceros bicornis

Classification (HAGRID: 02972)
Taxonomy	Kingdom: Animalia Phylum: Chordata Class: Mammalia (Taxon entry) Order: Perissodactyla Family: Rhinocerotidae Genus: Diceros
Species	Diceros bicornis
Common name	Black rhinoceros
Lifespan, ageing, and relevant traits
Maximum longevity	49 years (captivity)
Source	ref. 671
Sample size	medium
Data quality	acceptable
Observations	One wild born specimen was about 49 years old when it died in captivity [0671].
Life history traits (averages)
Female sexual maturity	1,826 days
Male sexual maturity	2,254 days
Gestation	474 days
Weaning	634 days
Litter size	1 (viviparous)
Litters per year	0.4
Inter-litter interval	1,059 days
Weight at birth	36,500 g
Weight at weaning
Adult weight	1,100,000 g
Postnatal growth rate	0.0033 days^-1 (from Gompertz function)
Maximum longevity residual	119 %
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 [0731] Zullinger et al. (1984), Fitting sigmoid equations to mammalian growth curves
External resources
Integrated Taxonomic Information System	ITIS 625003
Animal Diversity Web	ADW account
Encyclopedia of Life	Search EOL
Genome Project	Search NCBI
Entrez	Search all databases Entrez Taxonomy search
Ageing literature	Search Google Scholar Search PubMed Search Scirus
Images	Google Image search
Internet	Search Google

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