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The mule deer (Odocoileus hemionus) is a deer indigenous to western North America; ... The gestation period is about 190–200 days, with fawns born in the spring. [29]
The California mule deer ... The gestation period for these deer is about 200 days, culminating in the birth of fawns during the spring season. [9]
The black-tailed deer lives along the Pacific coast from northern and western California and north to southeastern Alaska. East of the Cascade Range and Sierra Nevada in Washington, Oregon and California, black-tailed deer are replaced by phenotypically different mainland mule deer, the latter being much larger, with lighter pelage, more prominent rump patches and larger ears.
More developed infants will typically require a longer gestation period. Altricial mammals needs less time to gestate compare to the precocial (well-developed neonate) mammal. A typical precocial mammal has a gestation period almost four times longer than a typical altricial mammal of the same body size. [20]
Deer of the World: Their Evolution, Behaviour, and Ecology. Stackpole Books. ISBN 978-0-8117-0496-0. Jim Heffelfinger (8 September 2006). Deer of the Southwest: A Complete Guide to the Natural History, Biology, and Management of Southwestern Mule Deer and White. Texas A&M University Press. ISBN 978-1-60344-533-7. David G. Hewitt (24 June 2011).
The gestation period is eight to nine months and the ... First documented in the late 1960s in mule deer, the disease has affected elk on game farms and in the wild ...
A deer (pl.: deer) or true deer is a hoofed ruminant ungulate of the family Cervidae (informally the deer family). Cervidae is divided into subfamilies Cervinae (which includes, among others, muntjac , elk (wapiti), red deer , and fallow deer ) and Capreolinae (which includes, among others reindeer (caribou), white-tailed deer , roe deer , and ...
The sika deer (Cervus nippon), also known as the northern spotted deer or the Japanese deer, is a species of deer native to much of East Asia and introduced to other parts of the world. Previously found from northern Vietnam in the south to the Russian Far East in the north, [ 1 ] it was hunted to the brink of extinction in the 19th century.