They say that it stays still and quiet because it is seeing both the past and future at the same time.
Base Exp. 0
Height 1.5m
Weight 15kg
#178 - Xatu
Psychic
Stats
HP 65 / 255
Attack 75 / 181
Defense 70 / 230
Sp. Atk. 95 / 173
Sp. Def. 70 / 230
Speed 95 / 200