Which animals sent him into rages and lusts

ptarmigan, squirrel, and moose-birds

"He was always a little demon of fury when he chanced upon a stray ptarmigan. Never did he fail to respond savagely to the chatter of the squirrel he had first met on the blasted pine. While the sight of a moose-bird almost invariably put him into the wildest of rages; for he never forgot the peck on the nose he had received from the first of that ilk he encountered."