Old Kingdom Bestiary: The Ink Phoenix (d20)
When a spellcaster needs a resilient messenger capable of delivering an untraceable and unrecoverable message¸ they may create a special construct known as an ink phoenix. Made of magically animated ink¸ the ink phoenix can travel great distances¸ inscribe messages in the master's own hand¸ and defend itself by choking or even blinding assailants.
This product includes stats for the ink phoenix as well as rules for creating this type of construct familiar.