fects whose intellect is no higher than some animals. Does that mean we can treat these particular humans as we treat particular animals? In the essay "Humans Are Not Superior To Animals", Gary L. Francione points out:
             Some people say that animals are different because they cannot think. But that is simply not true. We know that mammals and birds, for example, have very complex mental faculties. And besides, there are human beings who cannot think. Some people were born without parts of their brain, and they have less cognitive functioning than a healthy rat. Some people say that animals cannot talk. But animals communicate in their own ways, and besides, some people are unable to talk. (28)
             This statement clearly shows that the excuse give
             ...