Hello all. I raise and care for English Bulldogs, so this forum caught my eye. I used to work as a bush pilot in northern Japan and south / central Alaska. According to the stories of local Ainu and Eskimo tribsman, a pack of wolves can easily bring down an Asiatic black bear, brown bear, or even polar bear. The wolves will coordinate by having one animal snap at and distract the larger predator in front while one or two animals snap at its back legs, nipping away at its calves. Once the large predator turns around to deal with the threat from behind, the wolves will disperse, and come at the larger animal again in the exact same manner. Pack members typically switch off positions so that one does not become exhausted. Eventually, the larger predator will become too fatigued to continue to fight off the wolves. When this happens, the wolves move in all at once for the kill. I think we'll all agree that a grizzly or polar bear is a much more formidable predator than any tiger. Now, for me anyway, the question becomes: "do Great Danes possess enough wild instinct to pull this off, or has that been wiped out by thousands of years of artificial selection?" Thats a question I cannot answer. I just don't know. Also, I fully understand that the campfire stories of rural tribesman are hardly indisputable scientific evidence. That being said, I'd trust their word over most, since they have lived with these animals every day for thousands of years.