what animals eat aloe vera plants. Aloes are tough mean plants that have evolved in parts of the world where there are a lot of animals that eat everything.
Yes. The "edible" varieties that have been bred are particularly susceptible to being nibbles by all sorts of animals as they do not taste very bitter.
These aloes are less bitter than the wild type. If you are having problems with leaves being nibbled, try to get a wild type Aloe vera that tastes bitter.