> You need a biologist for this one. Apparently Rabbi Noach Weinberg once
> visited a zoo, and was troubled to notice that the hippopotamus was
> described as having... a cloven hoof! However, he then noticed that
> biologists have classified the hippo in the pig family. I am not making
> this up; it's a pig. An extremely large pig, but a pig. Somehow it seems
> less difficult to group the llama and camel together than a hippo and
> piglet.
According to the Encarta Encyclopedia, both camels and llamas are rumiants,
and both belong to the family Camelidae.
Yehudis