Takamaru

is the messenger hawk for Sunagakure.

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

Rescue Gaara 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 suffix for male names.