 The gray wolf and the cougar compete more directly for prey , especially in winter . Wolves can steal kills and occasionally kill the cat . One report describes a large pack of 7 to 11 wolves killing a female cougar and her kittens . Conversely , lone female or young wolves are vulnerable to predation , and have been reported ambushed and killed by cougars . Various accounts of cougars killing lone wolves , including a six @-@ year @-@ old female , have also been documented . Wolves more broadly affect cougar population dynamics and distribution by dominating territory and prey opportunities , and disrupting the feline 's behavior . Preliminary research in Yellowstone , for instance , has shown displacement of the cougar by wolves . In nearby Sun Valley , Idaho , a cougar / wolf encounter that resulted in the death of the cougar was documented . One researcher in Oregon noted : " When there is a pack around , cougars are not comfortable around their kills or raising kittens ... A lot of times a big cougar will kill a wolf , but the pack phenomenon changes the table . " 
 The gray wolf and the cougar compete more directly for prey , especially in winter . Wolves can steal kills and occasionally kill the cat . One report <a href='uninflect' title='1'><mark>describes</mark></a> a large pack of 7 to 11 wolves killing a female cougar and her kittens . Conversely , lone female or young wolves <a href='drop_aux' title='2'><mark>are</mark></a>vulnerable to predation , and <a href='been_done' title='3'><mark>have</mark></a> been reported ambushed and killed by cougars . Various accounts of cougars killing lone wolves , including a six @-@ year @-@ old female , <a href='been_done' title='4'><mark>have</mark></a> also been documented . Wolves more broadly affect cougar population dynamics and distribution by dominating territory and prey opportunities , and disrupting the feline <a href='null_genetive' title='5'><mark>'s</mark></a>behavior . Preliminary research in Yellowstone , for instance , <a href='been_done' title='6'><mark>has</mark></a> shown displacement of the cougar by wolves . In nearby Sun Valley , Idaho , a cougar / wolf encounter <a href='null_relcl' title='7'><mark>that</mark></a>resulted in the death of the cougar was documented . One researcher in Oregon noted : " When <a href='dey_it' title='8'><mark>there</mark></a> is a pack around , cougars <a href='negative_concord' title='9'><mark>are</mark></a> <a href='negative_concord' title='10'><mark>not</mark></a>comfortable around their kills or raising kittens ... A lot of times a big cougar will kill a wolf , but the pack phenomenon <a href='uninflect' title='11'><mark>changes</mark></a> the table . " 
The gray wolf and the cougar compete more directly for prey , especially in winter . Wolves can steal kills and occasionally kill the cat . One report describe a large pack of 7 to 11 wolves killing a female cougar and her kittens . Conversely , lone female or young wolves vulnerable to predation , and done been reported ambushed and killed by cougars . Various accounts of cougars killing lone wolves , including a six @-@ year @-@ old female , done also been documented . Wolves more broadly affect cougar population dynamics and distribution by dominating territory and prey opportunities , and disrupting da feline  behavior . Preliminary research in Yellowstone , for instance , done shown displacement of the cougar by wolves . In nearby Sun Valley , Idaho , a cougar / wolf encounter resulted in tdadeath of the cougar was documented . One researcher in Oregon noted : " When it is a pack around , cougars ain't comfortable around their kills or raising kittens ... A lot of times a big cougar gon kill a wolf , but thdaack phenomenon change the table . "