"Harry Potter and the Prisoner of Azkaban":

And that's how we came to write the Marauder's Map, and sign it with our nicknames. Sirius is Padfoot. Peter is Wormtail. James was Prongs." "What sort of animal --?" Harry began, but Hermione cut him off.

Exactly right, Harry asks a great question here. What sort of animal is "Prongs" a nickname for?

We know that Sirius is Padfoot (Dog), Peter is Wormtail (Rat), but what animal did James transform into?

  • 14
    Did you finish the book yet?
    – Kevin
    Jun 18, 2015 at 20:06
  • @Kevin It's been a long time since I looked at any of this stuff. But I answered another Potter question and was referencing the book and came across this quote. I couldn't remember what his animagus was. If it's something obvious or whatever I can delete the question.
    – JMFB
    Jun 18, 2015 at 20:13
  • 3
    BTW: James Potter was an animagus -- that is "a wizard who can shape shift into an animal." I don't know that we have a name for just the animal form of an animagus.
    – KutuluMike
    Jun 18, 2015 at 20:26
  • @MichaelEdenfield Hence why I used the term that way. If you have a better term, edit the question or I can edit it if you have a different term.
    – JMFB
    Jun 18, 2015 at 20:38
  • @JMFB The only term I have ever seen that seems to fit is "animagus form", but I don't know the books in as much detail as others... I'm looking :)
    – KutuluMike
    Jun 18, 2015 at 21:06

2 Answers 2


It was a Stag.

From Harry Potter and the Prisoner of Azkaban in a conversation with Lupin, it is said:

‘Yes, your father was always a stag when he transformed,’ he said. ‘You guessed right … that’s why we called him Prongs.’
Harry Potter and the Prisoner of Azkaban: Chapter 22 -- Owl Post Again

  • 1
    Good answer, thanks for the quote. It's very direct and answers exactly what I asked with no additional commentary. Thank you.
    – JMFB
    Jun 18, 2015 at 20:15

It was a stag.

More information about James Potter here.

  • 2
    Please, for future answers if you are going to use a link, add a relevant quote that supports your point. Answers based exclusively in links are discouraged, as links may change or even disappear. Jun 19, 2015 at 8:42
  • Thanks for your answer. It is correct but as pointed out you should at least include a quote like the answer above. +1 vote from me and thanks again.
    – JMFB
    Jun 27, 2015 at 18:49

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