AnAge entry for Ovis dalli

Classification (HAGRID: 01980)

Taxonomy: Kingdom: Animalia
    Phylum: Chordata
        Class: Mammalia (Taxon entry)
            Order: Artiodactyla
                Family: Bovidae
                    Genus: Ovis
Species: Ovis dalli
Common name: Dall's sheep

IMR: 0.05/year
MRDT: 1.5 years
Maximum longevity: 19.6 years (captivity)
Source: ref. 671
Sample size: Medium
Data quality: Acceptable
Observations: One captive specimen lived 19.6 years [0671]. There are also anecdotal reports, which may be true, of animals living over 20 years.

No information on metabolism is available.

[1135] Lemaitre et al. (2013), Comparing free-ranging and captive populations reveals intra-specific variation in aging rates in large herbivores (PubMed)
[0671] Richard Weigl (2005), Longevity of Mammals in Captivity; from the Living Collections of the World
[0441] William Burt et al. (1998), A Field Guide to Mammals
[0455] Virginia Hayssen et al. (1993), Asdell's Patterns of Mammalian Reproduction: A Compendium of Species-Specific Data
[0002] Caleb Finch (1990), Longevity, Senescence, and the Genome
[0081] Miller (1988), A set of test life tables for theoretical gerontology (PubMed)