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The life expectancy in some states has fallen in recent years; for example, Maine's life expectancy in 2010 was 79.1 years, and in 2018 it was 78.7 years. The Washington Post noted in November 2018 that overall life expectancy in the United States was declining although in 2018 life expectancy had a slight increase of 0.1 and bringing it to ...
Recovery of Gray Wolves in the Great Lakes Region of the United States: An Endangered Species Success Story. Springer. ISBN 978-0-387-85951-4. OCLC 308158198. Thiel, Richard P. (1993). The Timber Wolf in Wisconsin: The Death and Life of a Majestic Predator. University of Wisconsin Press. ISBN 978-0-299-13944-5.
OR-7, California's first resident wolf in over 80 years. In late December 2011, OR-7, a male gray wolffrom Oregon, became the first confirmed wild wolf in Californiasince 1924, when wolves were considered extirpatedfrom the state. The first resident wolf packwas confirmed in 2015, after two adults migrated from Oregon and had five pups.
The resulting decrease in human-wolf and livestock–wolf interactions helped contribute to a view of wolves as not dangerous to humans. By the 1970s, the pro-wolf lobby aimed to change public attitudes towards wolves, with the phrase "there has never been a documented case of a healthy wild wolf attacking a human in North America" (or ...
In the 1940s, the gray wolf was nearly eradicated from the Southern Rockies. The species naturally expanded into habitats in Colorado they occupied prior to its near extirpation from the conterminous United States. Wolves were reintroduced in the northern Rocky Mountains in the 1990s and since at least 2014, solitary wolves have entered ...
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 ...
The eastern wolf (Canis lycaon[ 5 ] or Canis lupus lycaon[ 6 ][ 7 ]), also known as the timber wolf, [ 8 ]Algonquin wolf and eastern timber wolf, [ 9 ] is a canine of debated taxonomy native to the Great Lakes region and southeastern Canada. It is considered to be either a unique subspecies of gray wolf or red wolf or a separate species from ...
The northern Rocky Mountain wolf (Canis lupus irremotus), also known as the northern Rocky Mountain timber wolf, [ 3 ] is a subspecies of the gray wolf native to the northern Rocky Mountains. It is a light-colored, medium to large-sized subspecies with a narrow, flattened frontal bone. [ 4 ] The subspecies was initially listed as Endangered on ...