Wolf size

Mouse loomed up beside me then, two hundred pounds of shaggy grey muscle. He didn’t growl at Kirby, or so much as bare his teeth. He did, however, stand directly in Kirby’s path and face him without backing down.
Without blinking, Kirby’s body seemed to shimmer and flow, and suddenly a black wolf nearly Mouse’s size, but leaner and swifter looking, crouched across the apartment, white teeth bared, amber eyes glowing with rage.

Side Jobs, Day Off, Page 165


By the time I'd reached the bottom of the stairs, there was the sound of a heavy, controlled impact, and a wolf with hair the same dark brown as Billy's hit the floor next to me. It was an enormous beast, easily as heavy as Mouse, but taller and leaner-a wolf the world has rarely seen between here and the last ice age. I slammed open the door and let Billy out ahead of me. He bounded over a parked car-and I mean completely over it, lengthwise-and shot toward the buildings at the back of the complex.

Turn Coat Chapter 5, Page 35