There is only one of these frogs on the planet, so please make sure you look after him and re-hide well.
To find you will need to first hunt for:
Maud Island Frog GC2PZK3 ?
Hamilton's Frog GC2PZK2 ?
Archey's Frog GC2PZJZ ?
Hochstetters Frog GC2PZK7 ?
There are clues inside those caches which will help you finalise the below co-ordinates:
S36 4F.R28
E174 4O.G58
Cache is cammoed container with room for trades, bugs and coins.