Challenge

Qui peut nous dire le nom de cette bestiole?
Differentes suggestions: castor, marmotte, chien de prairie??

Who can tell us what this thing is?
Suggestions: beaver, marmot, prairie dog??
Woodchuck, Groundhog, or Whistlepig, Marmota monax, North America, Hoary Marmot, Marmota caligata, Northwestern North America, Yellow-bellied Marmot, Marmota flaviventris, South western Canada, , Western United States, but most likely, one of the Prairie Dogs, Cynomys sps., especially if in a colony.