Why can Professor McGonagall turn into a cat? | Wizarding World https://www.wizardingworld.com/features/why-can-professor-mcgonagall-turn-into-a-cat
When we meet Professor McGonagall at the start of Philosopher’s/Sorcerer’s Stone, she looks a little bit different to her usual self – and a lot like a tabby cat.…
However, not many witches and wizards have this skill