Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.
Cambio estás dos parejas de periquitos,por una pirura o un par de jilgueros,verderónes,pardillos,algún pájaro que no sean ni periquitos ni agapornis un saludo.