Takamaru

is a messenger hawk for Sunagakure.

Ablities
Takamaru is stated as being Sunagakure's fastest messenger by one of the Konoha shinobi.

Kazekage Rescue Arc
He's first seen when carrying a message to Konohagakure, saying that Gaara had been kidnapped by Akatsuki.

Trivia

 * , means "hawk", while is a common suffix for male names meaning "perfection" or "full circle".