least weasel (Mustela nivalis), wolverine (Gulo gulo) WEASEL.
FROM W. H. WRIGHT, SPOKANE, WASHINGTON.
WOLVERINE FROM BRITISH COLUMBIA.
IN THE NEW YORK ZOOLOGICAL PARK.
Date	1901-1903
Source	http://www.flickr.com/photos/biodivlibrary/7506932112
Author	New York (State).
Full title	Annual report /
Source: https://commons.wikimedia.org/wiki/File:Annual_report_(7506932112).jpg
The least weasel or simply weasel (Mustela nivalis) is the smallest member of the genus Mustela and of the family Mustelidae (as well as the smallest of the Carnivora), native to Eurasia, North America and North Africa.
The wolverine (Gulo gulo), also referred to as the glutton, carcajou, skunk bear, or quickhatch, is the largest land-dwelling species of the family Mustelidae. The wolverine is found in northern Canada, Alaska, Nordic countries of Europe, and throughout western Russia and Siberia.