Caught On Video: Mountain Lion Lounges Next To Sliding Glass Door In Simi ValleyA mountain lion was spotted again prowling a Simi Valley neighborhood, just a day after it was believed to have attacked two dogs, killing one of them.
Cocktail Of Rat Poisons Linked To Mountain Lions Found Dead In Santa Monica MountainsA cocktail of rat poisons may have killed two mountain lions, who were found dead recently in the Santa Monica Mountains, National Park Service officials said Tuesday.
Mountain Lion P-61 Was Chased By Second Lion Just Before Being Killed On 405 FreewayBiologists say P-61 was likely being chased because he had ventured into the other lion’s territory, which was east of the 405 Freeway.
Mountain Lion Struck And Killed On 5 Freeway Near CastaicCalifornia Highway Patrol reported the dead mountain lion on the southbound side of the freeway at Templin Highway. 
Mountain Lion Struck And Killed On The 405 Freeway In The Sepulveda PassA mountain lion who successfully crossed the 405 two months ago wasn't so lucky this time and was struck and killed by a car
P-65 'Makes History' As Second Collared Female Mountain Lion To Cross 101 FreewayP-65, a female mountain lion fitted with a radio collar, crossed the busy freeway on Aug. 21 between midnight and 2 a.m., according to National Park Service biologists.
Mountain Lion P-61 Successfully Crosses 405 Freeway In Sepulveda PassP-61’s successful crossing is in the same general vicinity where another mountain lion, P-18, was struck and killed by a car in 2011 and an uncollared lion suffered the same fate in 2009.
Mountain Lion Spotted In Pasadena BackyardAuthorities are investigating a report of a mountain lion in a Pasadena residential area.
Rat Poison Could Be Linked To Skin Disease In Santa Monica Mountain LionsSince 2002, only five mountain lions in the Santa Monica Mountains have contracted mange. Two of them died of rat poisoning.
Mountain Lion Escapes After Being Found Trapped In Chicken CoopThe mountain lion had attacked and killed one of the chickens. A sheriff’s deputy who responded to the scene snapped a photo of the mountain lion looking surly behind chicken wire.
Brentwood Homeowner Meets Face-To-Face With Mountain Lion That Broke Through WindowNeighbors say they're shocked something like this happened, but there had been indications it could -- there had been reports of a bobcat running in the hills in the past week or so. But the big cat that got into William Nichols' house was definitely a mountain lion.