Senses

• Sight, hearing, smell, taste, touch
• Vestibular and proprioception (acceleration, balance, orientation, etc)

Spells

• Scrying eye: Transmits information to its original owner

Communication

• Basic telepathy

Language

• Simple emotions

Status Effects

• Frozen: this creature cannot move, it is physically inanimate and will remain where you place it while exposed to sufficient levels of light.

Warnings

• Identification of a familiar is not an exact science
• A very clever wizard or powerful deity would be able to disguise the familiar's owner.
• Why does it need to be frozen? It's just a taxidermy. Right?... RIGHT??