Just remember, it will probably turn his poop red! That can be kind of alarming, since it looks like blood, but it's just the color of the fruit. And too much fruit can cause loose or liquid stools; just make sure he's getting plenty of more solid stuff along with fruit treats.
Welcome My babies love strawberries. They just adore eating the accessory fruits on them, it's their favourite part of munching on them. I limit it to about 1 small strawberry per bird when they get them though, because they are sugary.