Mudpuppy Night in Oxford Mills has been bringing people face to face with Mudpuppies in the wild since 1998. Since 1998 Mudpuppy Night in Oxford Mills has been taking observers to the only place in Ontario where Mudpuppies have been repeatedly observed in large numbers throughout the winter. The Fragile Inheritance Database contains 22 years of observations — a baseline for in-depth study, which is being used by other researchers.