Owl

, like hawks, can be used for long-distance communication. Contract::Motoi is able to summon owls (such as Fukuemon) so that he can quickly relay messages from Genbu to Kumogakure.

Trivia

 * In the anime, the ninja monks from the Fire Temple use owls as messengers.
 * Shira's Silent Fist technique resembles the function of owl feathers.