The South Dakota Game Fish and Parks released its 2006 mountain lion report summary. You can view it here in PDF format.
There were 56 known lion deaths in South Dakota last years. 16 of those deaths were the result of harvesting by hunters. 16 were killed by GFP officials as nuisance animals. 9 were killed in vehicular accidents. 4 were caught in snares and the rest were a conglomeration of a number of things.
Tom Remington
