Pygmy mammoth

The pygmy mammoth or Channel Islands mammoth (Mammuthus exilis) is a species of dwarf elephantdescended from the Columbian mammoth (M. columbi) of mainland North America.[2] This species became extinct during the Quaternary extinction event in which many megafauna species became extinct due to changing conditions to which the species could not adapt.[3] A case of island or insular dwarfism, from a recent analysis in 2010 it was determined that M. exilis was on average, 1.72 m (5.6 ft) tall at the shoulders and 760 kg (1,680 lb) in weight,[4] in stark contrast to its 4.3 m (14 ft) tall, 9,070 kg (20,000 lb) ancestor.[5] Another estimate gives a shoulder height of 2.02 m (6.6 ft) and a weight of 1,350 kg (2,980 lb).[6]