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Orange County mountain lion attack a reminder to keep livestock safe

A mountain lion entered an Orange County corral last week where nine pygmy goats belonging to members of the Trabuco Trailblazers 4-H Club were housed. Only one goat survived the encounter.

UC Cooperative Extension human-wildlife interactions advisor Niamh Quinn said she was heartbroken, but not surprised.

“We know that this is happening all over California,” Quinn said. “Sixty to 85 percent of depredation permits are issued to hobby farmers and ranchers who seek to kill wild animals that threaten their livestock.”

The loss of the goats is a sad reminder for Californians to be aware of wildlife predators in their areas and make sure that livestock enclosures are secure against them. The Mountain Lion Foundation has information for keeping livestock safe in mountain lion country, including plans for inexpensive lightweight enclosures that work well in Southern California. Quinn — along with UC Davis veterinarian Winston Vickers, UC Cooperative Extension specialist in youth science literacy Martin Smith, and the Mountain Lion Foundation — is developing a comprehensive 4-H curriculum focused on protecting both livestock and wildlife.

“This loss would have never happened if they had a properly constructed pen,” Quinn said. “The pen had holes and was held together in places with zip ties. 4-H members have to understand what predators are in their areas, how the animals can get into enclosures – whether they will dig, if they jump and how high.”

A properly constructed livestock enclosure can thwart mountain lion attacks. (Stock photo: Pixabay)

The killing of eight goats and injuries to the ninth goat by a single mountain lion may seem overly vicious, but the animal was acting according to instinct. Once inside a pen or paddock, a mountain lion will often kill until all movement stops, according to the Mountain Lion Foundation. Lions are most vulnerable to injury when taking down natural prey like deer that have lethal antlers and hooves. In a natural setting, a deer herd will run away, leaving a lion with just one catch to be concerned about. Not so for penned or fenced-in livestock.

The 4-H curriculum now being developed will empower 4-H youth to protect both predators and livestock by understanding wildlife behavior and proper animal husbandry practices. The curriculum will be available to all 4-H clubs in California – which include 27,444 youth enrolled in livestock projects – and to 4-H clubs nationwide.

In the video, a mountain lion returns to the goat pen the evening after
killing eight goats, but cannot re-enter. (Video: Winston Vickers)

The night after the Trabuco Canyon pygmy goat attack, the same mountain lion was caught on camera returning to the pen, but he was unable to enter the shored up enclosure. Vickers said the lion shouldn't cause any more problems.

“It is likely that the lion may come by the area as part of his normal territorial circulation periodically, but I would not expect further losses given the additional pen improvements that are planned, and I would not expect any greater risk to people at the location versus any other in the Santa Anas (canyons of Orange County),” Vickers said.

Vickers said he hopes that the 4-H members will not choose to kill the mountain lion responsible for the late March attack.

“The lions in their area are in serious trouble, and the loss of a single lion could affect their genetic viability for years to come,” Vickers said.

Posted on Tuesday, April 4, 2017 at 8:23 AM

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