Hard to deny the impression of experiencing a lot - the book is subjective, but accurate, written by an bystander and ethologist at once, concluded/illustrated with real examples coming from personal observations of wolves, witnessed by someone fascinated with their social nature.
Voyageurs Wolf Project camera traps (May 2018), documents certain changes in Minnesota wolf predatory behavior strategies.Since 2015, the VWP identified approximately 400 situations when wolf ambushed on beaver - attacking from downwind, so beavers couldn't sniff an approaching predator.
Thomas Newsome, environmentalist, Australian dingo ecology expert, researched both of genus Canis representatives in Europe testing the hypothesis that the range expansion of golden jackal was triggered by intensive persecution and resulting decline of the gray wolf.
It is obvious and scientifically confirmed, gray wolf and domestic dog can randomly cross resulting with a hybrid as a consequence of pairing each other different - however infertile (capable of interbreeding), matched by sufficient parental compatibility - species/subspecies individuals.
Native fauna and flora species still inhabit the considered - especially by outsiders - as unfriendly dangerous environment, flourishing there without a human factor presence, where approximately 70% is forest (biocenosis) containing water sources like lakes, rivers and marshes (biotope).