Look at OutdoorLife.com

[sendero72]

Take a look at the grizzle sow face off with a black wolf. Compare the size of the wolf to the griz. That's one huge wolf!! And they say his is our native grey wolf?

 

[sdkidaho]

Who said they were a native species? Our native wolf species was much smaller.

Yellowstone Photos: 5 Grizzlies and 5 Wolves Feed on Bison Carcass | Outdoor Life

 

[threejones]

Not the biggest grizzlies either, makes the mutts look even bigger.

 

[sdkidaho]

Maybe not, but here is the video of that same encounter:

Video: Wolves and Grizzlies Face Off over Bison Carcass | OutdoorHub

Watch towards the end, the male grizzly that comes in on the left side of the video - that is a big bear.