THE WARY WOLF 145 
lation. Formerly wolves followed the buffalo 
herds in their long drifts and migrations up 
and down the plains; they now follow the cattle 
herds in the West. They winter with the 
cattle in the lowlands, and in the summer ac- 
company the “beef on hoof” up into the high 
ranges among the peaks. 
When they come upon a herd of cattle they 
isolate one; then one or more wolves systematic- 
ally attack the head while another or others at- 
tack behind.. Their powerful jaws snap quickly 
and cut or crush deeply. They endeavour to 
hamstring the victim. 
On one occasion, in southern Colorado, I saw 
a herd of cattle standing in a circle with their 
heads outward. A number of wolves were at- 
tacking them. By leaping unitedly—first at 
one then at another—they finally frightened 
one victim out of the circle of safety. He was 
at once driven away from the herd, and in a 
short time the wolves had disabled his hind legs 
and pulled him down. 
On another occasion, in North Park, Colorado, 
I saw two wolves pull down three two-year-olds 
in a short time. I watched them through a 
field glass. One wolf attacked in front while 
the other kept leaping and snapping at the 
flanks and legs until the animal fell. These 
three animals were killed in less than half an 
