Zapdos will be at the Power Plant. Make sure to save before battling it to ensure success and not a FAIL at catching it. This is a freaking legendary Pokemon you won't be seeing again in the game, so catch it, don't KILL IT!
I guess Zapdos
You can't get Zapdos on Pokemon Pearl or Diamond but you can migrate it from Pokemon LeafGreen or Pokemon FireRed.
You have to trade it from Firered/Leafgreen in Pokemon firered/leafgreen you can find zapdos in power plant, but you need surf to get there.
trade from leafgreen
zapdos moltres articuno and mewtwo
Well you can Easily get moltres zapdos and articuno
He's(she's) in the power plant(level 50)
Articuno, Zapdos, moultress and Ho oh.
capture zapdos with an ultra ball
zapdos, at the power plant down from the rock tunnel you have to surf there
i like zapdos but i depends. snorlax and blissey are also preety good
you cant. you have to have to catch them on Pokemon leafgreen or firered