Satyrus (ape)
Appearance
Satyrus (also known as callitrix, cericopithicus, and cynocephalus) is a species of ape described in some medieval bestiaries. It is said to always give birth to twins. Of these twins, it hates one, but loves the other. The ape is also described as lively and having a pleasant face.
Source
- bestiary.ca, The medieval bestiary