"To the casual observer, Apis Raris is indistinguishable from the Common bee. To learn'd scholars, differences in thorax patterns and wing vibrations signal the start of a new genetic path for the Common bee."
These are the different Traits that the Uncommon Bee can spawn with.
When a trait has multiple values one is picked randomly when the bee is created.
Lifespan Short, Normal
Stability Normal, Stable
The Apiarist's Almanac gives the following hint:
An extremely rare offshoot of Apis Communia, found rarely in the eastern forests.
When asking Dr Beenjamin BhD for a hint he says the following:
There's only one hive of Uncommon bees on this island. I know, I hid it, ahah ha!
When Cross-Breeding the Uncommon Bee with the following other species there is a chance for the offspring to mutate into a new species!
As with all mutations, the offspring of the hybrid queen needs to also be a hybrid, so this can effect the chances listed below.