there isn't
To answer your question, Birth Island doesn't exist in DPP.
in Pokemon pearl or diamond, you cannot find a legit deoxys. you can only get one in Pokemon emerald, firered, leaf green by visiting birth island.
you can get deoxys at birth island
Not in the wild; you must trade it from FR/LG/E.You can obtain Deoxys in Pokemon Diamond by:CheatingTradingEvent
Deoxys is located in Birth Island.
No
No, you can't catch Deoxys on Pokemon Diamond & Pearl unless you have cheats. You can transfer it from your GBA to Pokemon Diamond and Pearl though
action replay
Migrate from emerrald
Birth Island has Deoxys. There's a puzzle on the island that if you complete it correctly, Deoxys will battle you. Just Google for the answer to the puzzle.
No you can't catch deoxys by using cheats
You catch deoxys at birth island.