Cryptozoology

My son already knew this word.

Main Entry: cryp·to·zo·ol·o·gy
Pronunciation: "krip-t&-zO-'ä-l&-jE, -z&-'wä-
Function: noun
: the study of and search for animals and especially legendary animals (such as Sasquatch) usually in order to evaluate the possibility of their existence
- cryp·to·zoo·log·i·cal /-"zO-&-'lä-ji-k&l/ adjective
- cryp·to·zo·ol·o·gist /-'ä-l&-jist, -'wä-/ noun

http://www.cryptozoology.com/

http://en.wikipedia.org/wiki/Cryptozoology