Dumbledore as an anamagi (was future anamagi?)

[SHEABRIANNA A CHRISTILAW]

No: HPFGUIDX 47242

Dominique said:

>I doubt that Dumbledore is an Animagus. If he were registered, Hermione
>would have mentioned it when she mentioned in PoA the number of Animagi
>registered with the Ministry. I also think the illegal Animagus has
>reached the end of its usefulness.

Hermione said that there have only been seven animagi this CENTURY,
including McGonnagall.  Since Dumbledore is 150, and thus over a century
old, isn't it possible that Hermione missed it?  Afterall, why would she
bother looking up animagi from the last century?

~Shea, who is new but trying to learn!