Buffalo in the United States almost became extinct while cattle have never been close to extinction. The difference is due to

Part $2$

A$.$

the greater marginal value of a head of cattle relative to$$ buffalo, leading to$$ over$-$hunting of buffalo.

B$.$

the differences in size between the two$$ animals, and the effect of size differences on the costs of hunting them.

C$.$

the greater marginal value of a buffalo relative to a head of$$ cattle, leading to greater$$ "harvesting" of buffalo.

D$.$

the use of private property rights on cattle and common property rights on buffalo.