This may seem like a silly question but are you sure the frog was dead?
I've seen some pretty torpid frogs in my time that "spring back to life"
when things warm up.

As K30a mentioned, some frog species can actually be frozen solid throught
he winter and revive!

"LRobi31070" wrote in message
...
I cleaned my mothers pond out today and found 3 medium fish and 2 small
ones. I
also found a vey dead frog! Anyone know what could have happened to him?
Everything else seems fine. One of the golfish is mostly white. It is very
pretty!