"You have got to be kidding me," Harry claimed, watching his Patronus emerge and move about. His beautiful, classic stag, a remnant of his father - was no more. Instead, a much smaller figure was in place. A rather familiar figure. Antonin's favourite creature: a muggle cardinal bird. A female, muggle cardinal bird. Not a very common Patronus. The only other person Harry knew of to have a cardinal Patronus was Antonin - and his was a male. Unlike his father's stag, this would stick out. This was noticeable. Harry was not thrilled with Antonin right now.
Harry grumbled as his Patronus flew around with Hedwig. Nagini watched on with jealousy from the floor, hissing obscenities at the birds. Thankfully, the spitting, shrunken snake was distracted as Draco came in the room, stopping to stroke her. Harry ignored the blonde, still focused on his Patronus. Well, there may be one good point to all of this, Harry decided: his stalker. He, like his parents Lily and James, had half of a pair as his Patronus. Meanwhile, Snape, the twat obsessed with his mother for years, had a doe Patronus; a mock of Lily's. The differing pairings revealed who was in love, and who was obsessed. Taking note of this, Harry realised that his stalker's Patronus was also likely to become a female cardinal.
Harry slowly grinned as he stood. Maybe this wasn't all bad. If he could at last catch his stalker, he would have at least one less person on his back. Maybe he needn't yell at Antonin after all.