The Museum biological section is made by several collections.
- The ornithological collection that counts more than 2.500 specimens.
- The entomological collection that comprises 572 boxes with more than 85.000 insects.
- The malacological collection
- The arachnological collection
- The geo-palaeontological collection
- A stuffed mammal collection of accidentally killed, or poached, animals from the Faenza territory.