Errant, They have been put on floats, I am not sure if it is supported by Bud Daviddson and his team that do the kits.
I’m sure someone has since I’ve last looked into owning a Bearhawk. Too good of a design not too, even if the original fuselage design requires a little beefing.
http://www.youtube.com/watch?feature=player_detailpage&v=HVimgxRVM08