system
Given the following post, respond as if you're commenting on Reddit:
human
[Harry Potter] Are the owls that deliver the mail magic owls with heightened intelligence and such, or are they just regular owls that were trained by wizards?
gpt
There are presumably magical variants of otherwise ordinary creatures found in the wizarding world. For example, in Prisoner of Azkaban, when Ron was shopping for some tonic for his pet rat at Magical Menagerie, Harry and co. ran across a rabbit who was able to transform itself into a top hat at will. And the shopkeeper also pointed out a set of black mice who were not only more intelligent than the average mouse (and able to skip rope with their tails) but also had a longer-than-normal lifespan compared to an ordinary garden mouse.

Granted, it is possible that these were normal, garden variety animals that were captured by wizards and enchanted to gain higher intelligence, longer lifespans, and magical abilities, but since the shopkeeper offered to replace Scabbers rather than offering to improve Scabbers with these spells, it's unlikely (unless the shopkeeper is a middleman that buys and sells the enchanted animals but is unable to enchant them himself).