At Hogwarts pets should be an owl,cat,rat or toad.
Hedwig was born before August 1991 and died on the 27th of july on 1997.She was a gift from hagrid for harry's eleventh birthday from hagrid.
scabbers is a rather useless rat.Ron pretends he hates scabbers but really he's secretly attached to it. He used to belong to ron's brother percy .
He was half kneazle and he has the ability to recognise untrustworthy people ( even if they are transfigured).He also has the ability to solve problems on his own.
In harry potter scabbers is really peterpetigrew!!! He uses a transfiguration spell to turn himself into a rat. He spent twelve years as a rat. He betrayed Lily and James potter because he knew voldemort was winning the wizarding war . Having chosen what he thought was the wrong side , he sets of to improve his situation by changing sides.