in the town square. the local bakery sells groundhog cakes. in fact the only thing they're missing is a real groundhog. this was the sun prairie groundhog. mau may remember him from last year, when then-mayor jon freund lent him his ear, and he took it. >> he says-- that-- uh-- that he, uh-- didn't see a shadow. >> reporter: shortly after chewing his way through the mayor's ear, the sun prairie groundhog chewed his way through a metal cage and escaped. naturally, the town wanted a replacement woodchuck, and who wouldn't, if a woodchuck could be found, which apparently is easier said than done. >> you cannot capture it to exhibit it. >> reporter: ti gauger is sun prairie's groundhog day event planner. >> memorabilia from groundhog days past. >> reporter: she says they started celebrating here in 1949, using groundhogs they caught. >> been a tradition ever since. >> reporter: now, it's not so itsy getting a live groundhog.