Mob:Raven

Raven is a species of large, black-feathered birds.

Pied Raven
The pied raven, also known as messenger-raven, is a color variant of the common raven. It has areas of white feathering on the head, the wings and the belly, and its beak is light brown.

Command

 * /piedraven {playername} {message} or /raven {playername} {message} - to send a messenger-raven