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The presence of apex predators improves habitat quality and species viability down the food chain. This reintroduction could be a model for repairing ecosystems.
Timber wolves and coyotes used as draught animals in northern Ontario, 1923. Wolves are less suitable than dogs for working. Swedish wolf biologist Erik Zimen once tried to form a dog sled team composed entirely of wolves. The experiment failed as the wolves ignored most commands and were far more prone to fighting than sled dogs. [6]
Local industry and environmental groups battled for decades over the Yellowstone and Idaho wolf reintroduction effort. The idea of wolf reintroduction was first brought to Congress in 1966 by biologists who were concerned with the critically high elk populations in Yellowstone and the ecological damages to the land from excessively large herds ...
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 Alexander Archipelago wolf (Canis lupus ligoni), also known as the Islands wolf, [4] is a subspecies of the gray wolf.The coastal wolves of southeast Alaska inhabit the area that includes the Alexander Archipelago, its islands, and a narrow strip of rugged coastline that is biologically isolated from the rest of North America by the Coast Mountains.
In Baden-Württemberg there were five records of wolves from the Alpine and Italian populations in the period 2015 to 2020. [22] [23] In September 2020, a wolf (GW 1832 m) from the Alps arrived in the Neckar-Odenwald-Kreis. [24] Individual wolves from the Dinarides-Balkans population have also migrated as far as the German Alpine region.
The Labrador wolf (Canis lupus labradorius) is a subspecies of gray wolf native to Labrador, Newfoundland, and northern Quebec.It has been described as ranging in color from dark grizzly-gray to almost white, [4] and of being closely related to the Newfoundland wolf (C. l. beothucus). [5]
Wolves urine mark more frequently and vigorously in unfamiliar areas, or areas of intrusion, where the scent of other wolves or canids is present. So-called raised leg urination (RLU) is more common in male wolves than in females, and may serve the purpose of maximizing the possibility of detection by conspecifics, as well as reflect the height ...