AnAge entry for Canis lupus

Classification (HAGRID: 02424)
Taxonomy	Kingdom: Animalia Phylum: Chordata Class: Mammalia (Taxon entry) Order: Carnivora Family: Canidae Genus: Canis
Species	Canis lupus
Common name	Gray wolf
Synonyms	Canis dingo
Lifespan, ageing, and relevant traits
Maximum longevity	20.6 years (captivity)
Source	ref. 671
Sample size	large
Data quality	high
Observations	In the wild, 10 year-old females have been known to give birth and record longevity is 13.7 years [0434]. One wild born male was around 20.6 years old when he died in captivity [0671].
Life history traits (averages)
Female sexual maturity	669 days
Male sexual maturity	669 days
Gestation	62 days
Weaning	47 days
Litter size	6 (viviparous)
Litters per year	0.8
Inter-litter interval	365 days
Weight at birth	450 g
Weight at weaning	5,250 g
Adult weight	26,625 g
Postnatal growth rate	0.0177 days^-1 (from Gompertz function)
Maximum longevity residual	88 %
Metabolism
No information on metabolism available.
References
[0817] Bielby et al. (2007), The fast-slow continuum in mammalian life history: an empirical reevaluation, PubMed [0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World [0434] Ronald Nowak (1999), Walker's Mammals of the World [0676] Purvis and Harvey (1995), Mammal life-history evolution: a comparative test of Charnov’s model [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 180596
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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