South Dakota GF&P Cougar Mortality Summary Data Released
South Dakota has a cougar population estimated at 200 individuals. During 2007, 67 cougar carcasses were recovered by the state (see below):
Causes:
SD GFP Removals - 8
Vehicle collisions - 6
Hunter harvest - 19
Intra-specific strife - 7
Infanticide -10
Research related - 3
Emaciated/sickness - 6
Incidental snaring - 1
Illegal kill - 1
Misc./other - 6
Over the past 48 months, 188 cougar carcasses have been recovered. 33 cougars have died over that time due to vehicle strikes alone.
2007 Mortalities 67
2006 Mortalities 56
2005 Mortalities 40
2004 Mortalities 25
Ongoing research in the Black Hills allows detection of natural mortalities such as infanticide, emaciation, intra-specific mortality etc. which occurs elsewhere but is rarely documented.