you don't catch it
do quests and catch legendary Pokemon to get signs
Nowhere.
he is in the sky
dangerous cliff
its catch is the rate of a bidoof! ^_^
You can catch chatot at the burned sprout and bell towers.
Get it from the downloadable missions from the past
in the daybreak ruins in a buch
You can catch a Chatot in Soul Silver at these Places in the Johto Region, Bell Tower Burned Tower Sprout Tower You can't catch them in Kanto.
Go to Mt. Sorbet and he should be somewhere in there
guardian signs