northwestern wolf (Canis lupus occidentalis) Description
English: Se muestran 4 etapas del crecimiento del lobo gris canadiense: recién nacido, tres semanas de vida, dos meses y finalmente el lobo adulto de un año.
Date 30 April 2015
Source http://blog.illustraciencia.cat/2015/04/canis-lupus-occidentalis-etapas-de.html
Author Miren Leyzaola
Source: https://commons.wikimedia.org/wiki/File:Canis_lupus_occidentalis_(Etapas_de_crecimiento)_-_Miren_Leyzaola.jpg
The northwestern wolf, Canis lupus occidentalis, also known as the Mackenzie Valley wolf, Alaskan timber wolf, Canadian timber wolf, or northern timber wolf, is a subspecies of gray wolf in western North America. It ranges from Alaska, the upper Mackenzie River Valley; southward into the Canadian provinces of British Columbia, Alberta, and Saskatchewan as well as the Northwestern United States.
