"The way you train any animal, really. Hawks are our most reliable messengers for long distance. They also expect to be well fed whenever they arrive."

She laughed at the idea of a shrinking ability. "No, nothing like that, if one of the Clans in Konoha has a growth technique. The Yamanaka..." she trailed off with a frown. He probably wasn't going to like this. "They have a mind jutsu. They can ride along with someone or something in some applications, or take control of another person's body in others. They're limited by their own acting skills," she said, lifting her shoulders into a slight shrug, "If that's more important when it comes to dealing with people than animals. Let instincts ride, so I hear, and don't make it too obvious what you're observing."