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Contents. List of mammalian gestation durations. This is a collection of lists of mammal gestation period estimated by experts in their fields. The mammals included are only viviparous (marsupials and placentals) as some mammals, which are monotremes (including platypuses and echidnas) lay their eggs. A marsupial has a short gestation period ...
The wolf (Canis lupus; [ b ]pl.: wolves), also known as the gray wolf or grey wolf, is a canine native to Eurasia and North America. More than thirty subspecies of Canis lupus have been recognized, including the dog and dingo, though gray wolves, as popularly understood, only comprise naturally-occurring wild subspecies.
Without ovulation, she may enter interestrus, which is the combined stages of diestrus and anestrus, before reentering estrus. With the induction of ovulation, the female becomes pregnant or undergoes a non-pregnant luteal phase, also known as pseudopregnancy. Cats are polyestrous but experience a seasonal anestrus in autumn and late winter. [19]
Contents. Red wolf. This article is about the wild canine. For other uses, see Red wolf (disambiguation). The red wolf (Canis rufus) [ 2 ][ 6 ][ 7 ] is a canine native to the southeastern United States. Its size is intermediate between the coyote (Canis latrans) and gray wolf (Canis lupus).
The northwestern wolf (Canis lupus occidentalis), also known as the Mackenzie Valley wolf, [ 5 ]Alaskan timber wolf, [ 6 ] or Canadian timber wolf, [ 7 ] is a subspecies of gray wolf in western North America. Arguably the largest gray wolf subspecies in the world, it ranges from Alaska, the upper Mackenzie River Valley; southward throughout the ...
Wolves as pets and working animals. The Wolf and his Master, as illustrated by Harrison Weir in Stories of Animal Sagacity. Wolves are sometimes kept as exotic pets, and in some rarer occasions, as working animals. Although closely related to domesticated dogs, wolves do not show the same tractability as dogs in living alongside humans, and ...
The Arctic wolf (Canis lupus arctos), also known as the white wolf, polar wolf, and the Arctic grey wolf, is a subspecies of grey wolf native to the High Arctic tundra of Canada's Queen Elizabeth Islands, from Melville Island to Ellesmere Island. [ 3 ][ 4 ] Unlike some populations that move between tundra and forest regions, [ 5 ] Arctic wolves ...
Tundra wolf. The tundra wolf (Canis lupus albus), also known as the Turukhan wolf, [3] is a subspecies of grey wolf native to Eurasia 's tundra and forest -tundra zones from Finland to the Kamchatka Peninsula. [3] It was first described in 1792 by Robert Kerr, who described it as living around the Yenisei, and of having a highly valued pelt.