David Kepesh, protagonist and narrator of this slim volume, is a renowned cultural critic who has weekly appearances on both radio and TV. He also teaches one college class each year, and he usually manages to seduce at least one of his female students. (Ever since he found the sexual harassment hotline number posted outside his office he postpones his overtures until after he has finished grading his students.)
The last of his conquests is a beautiful Cuban-American student by the name of Consuela. Whereas her way of thinking strikes the narrator as rather conventional, her body is the most beautiful he has ever seen; in fact, he considers it a perfect work of art. With this affair, Kepesh has feelings of jealousy and uncertainty that he has never experienced before. When his beautiful mistress dumps him after a year and a half, he makes tremendous (and mostly unsuccessful) efforts to get over her - until, one New Year's Eve eight years later, she suddenly shows up with shocking and unexpected news.
The narrative is interrupted at one point for a lengthy discourse on the nature of the 1960s sexual revolution. Kepesh talks about the first rebellious, sexually liberated students that he had (and, in some cases, slept with); and he goes back and draws connections with 16th century New England and the conflict between the Puritans and the hedonistic settlers of Merry Mount (as recorded in Hawthorne's story "The May-Pole of Merry Mount"). All this is interesting stuff, but somehow, things don't fall into place this time. This may also be because the narrator is a little too smug, and the female character is not very convincing. We see her only through the narrator's eyes, of course, and it is him who perceives her as the "animal" of the title, as opposed to his own more intellectual being. Yet there isn't much in the text that allows us to take a different perspective on Consuela. It seems to me that this book un-self-consciously resorts to the old stratagem of the Romantics: The body of the dying woman allows the artist/narrator to project his own bodily decay onto her and fantasize himself as an intellectually immortal being. So, all in all, not uninteresting, but not one of Roth's best books.