Cascade mountain wolf
The Cascade Mountains wolf is an extinct subspecies of the gray wolf that was once found in the Pacific Northwest. The wolf became extinct in 1940. It was originally identified as a separate species by Richardson in 1839 and from other wolves in the area by Edward Goldman in 1945. This wolf is recognized as a subspecies of Canis lupus in the taxonomic authority Mammal Species of the World . It was described as a cinnamon-coloured wolf, measuring 165 cm and weighing 36–49 kg.
Recently another subspecies, the British Columbia wolf, has established itself in the Cascade mountain wolf's past territory by following the Cascade Range through Washington and is now , , and into northern California to Lassen Peak, where in 2019 the Lassen pack produced .
