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This was followed by an explosion of Canis evolution across Eurasia in the Early Pleistocene around 1.8 million YBP in what is commonly referred to as the wolf event. It is associated with the formation of the mammoth steppe and continental glaciation. Canis spread to Europe in the forms of C. arnensis, C. etruscus, and C. falconeri. [23]
The wolf (Canis lupus; [b] pl.: wolves), also known as the grey wolf or gray 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 grey wolves, as popularly understood, only comprise naturally-occurring wild subspecies.
The wolves of MIS 7 were slightly smaller in body size than MIS 5 wolves and those found in Sweden today. These wolves were out-competed by the larger competitors, leading to a more omnivorous diet with increased crushing ability in an open environment that supported more types of prey and more non-meat foods than the MIS 5 period.
In biology, evolution is the process of change in all forms of life over generations, and evolutionary biology is the study of how evolution occurs. Biological populations evolve through genetic changes that correspond to changes in the organisms ' observable traits .
The last cave wolves used the side branches of the main caves to protect their pups from the cold climate. [14] During this time the cave wolf was replaced by a smaller wolf-type, which then disappeared along with the reindeer, to finally be replaced by the Holocene warm-period European wolf Canis lupus lupus. [11]
One of these wolves attacked 3 people, was shot, and tested positive for rabies. [21] Arctic wolf feeding on muskox carcass in Ellesmere Island. Very little is known about the movement of the Arctic wolves, mainly due to climate. The only time at which the wolf migrates is during the wintertime when there is complete darkness for 24 hours.
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Canis edwardii, also known as Edward's wolf, [2] is an extinct species of wolf in the genus Canis which was endemic to North America three million years ago from the Late Blancan stage of the Pliocene epoch and was extinct by the end of the Irvingtonian stage of the Pleistocene epoch. [3]: p4 Timeline of Canis edwardii in red