I suspect the video shows feral dogs as opposed to actual wolves (
Canis lupus). Russia has had a problem with their feral dog population for some time now.
From 2008
http://news.sky.com/skynews/Home/Wor...00807115023485
For every 300 Muscovites, there's a stray dog wandering the streets of Russia's capital.
http://www.popsci.com/science/articl...mastery-subway