Skip to Content

Mountain Lions in Los Angeles Shift to Nightlife to Escape Humans

A mountain lion in the night.
A mountain lion in the night. Image by National Park Service from USA, Public domain, via Wikimedia Commons

Los Angeles may be known for its bustling nightlife, but it’s not just humans making the most of the moonlight. The city’s mountain lions, or cougars, are shifting their routines to navigate a world increasingly dominated by joggers, hikers, and cyclists. These big cats are adapting in fascinating ways to keep their distance from us while still finding time to hunt and roam. Let’s explore how they’re changing their habits and what this means for their survival.

Human Encounters Are Changing Mountain Lions’ Lives

Mountain lion at night in the forest.
Mountain lion at night in the forest. Image by Saguaro National Park, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons

Mountain lions once ruled the mountains of Los Angeles without worrying about early morning hikers or sunset cyclists. But as more people flood their trails, these apex predators have had to make adjustments. Historically active at dawn and dusk, they’re now favoring nighttime hours to avoid human activity. The sheer volume of people sharing their territory means mountain lions must either adapt or face constant disruptions to their hunting and roaming routines.

Tracking Lions with GPS and Strava

Researchers fitting GPS collar to mountain lion.
Researchers fitting GPS collar to a mountain lion. Image by National Park Service from USA, Public domain, via Wikimedia Commons

To understand this shift, researchers fitted GPS collars on 22 mountain lions in the Santa Monica Mountains from 2011 to 2018. They compared the cats’ movements to data from Strava, an app tracking human outdoor activities. The findings were clear: the more humans hit the trails, the more mountain lions adjusted their schedules, becoming nocturnal to steer clear of us.

Nocturnal Life Comes with Challenges

A mountain lion in the night.
A mountain lion in the night. Image by National Park Service from USA, Public domain, via Wikimedia Commons

While becoming night owls helps these big cats avoid humans, it’s not without its downsides. Hunting in the dark can be trickier, and nighttime hours might require more energy to secure prey. This shift also alters their natural patterns of rest and activity, potentially impacting their health and reproductive success. It’s a delicate balance—avoiding humans while maintaining their way of life isn’t as simple as it sounds.

Humans Are Scarier Than You Think

Mountain lion roaming in the forest at night.
Mountain lion roaming in the forest at night. Image by English: NPS Photo, Public domain, via Wikimedia Commons

Mountain lions aren’t just politely avoiding us; they’re genuinely afraid of humans. Studies have shown that even the sound of human voices can send them fleeing, as if we’re a pack of growling predators. This fear isn’t unfounded. Historically, humans have hunted and persecuted mountain lions, leaving them wary of our presence. Today, while laws protect them, they still face threats like habitat loss, busy highways, and exposure to harmful rodenticides.

The Double-Edged Sword of Adaptation

Mountain lion cub at night.
Mountain lion cub at night. Image by National Park Service from USA, Public domain, via Wikimedia Commons

Adapting to a nocturnal schedule showcases the incredible flexibility of mountain lions, but it also comes with risks. Altered behavior can affect their energy levels, hunting success, and ability to raise young. While they’re doing their part to coexist, the burden of adaptation falls squarely on their shoulders. This begs the question: Are we doing enough to share the landscape responsibly, or are we making life unnecessarily hard for these magnificent creatures?

Coexistence Is a Two-Way Street

Mountain lion in the night.
Mountain lion in the night. Image by English: NPS Photo, Public domain, via Wikimedia Commons

Mountain lions are clearly doing their part to avoid conflict, but coexistence requires effort from humans too. Simple actions like staying on designated trails, reducing noise pollution, and keeping pets on leashes can make a big difference. Understanding and respecting their need for space is key to ensuring these cats can thrive alongside us. After all, they were here first—it’s only fair we learn to live in harmony with them.

A Glimpse into a Wild Future

Close-up view of mountain lion's face in the night.
Close-up view of mountain lion’s face in the night. Image by Santa Monica Mountains National Recreation Area from USA, Public domain, via Wikimedia Commons

The nocturnal habits of Los Angeles’ mountain lions reflect a broader trend seen in wildlife worldwide. Animals everywhere are adjusting to our presence in creative ways, but their adaptability has limits. Protecting their habitats, reducing stressors, and fostering coexistence are vital for their survival. Mountain lions are showing us they can adapt, but we must ensure they don’t have to bend so far that they break.

The mountain lions of Los Angeles are proof that even apex predators can be surprisingly sensitive. Their story serves as a reminder that every jog, hike, or bike ride on their trails impacts their world. By working together, we can ensure these majestic cats continue to thrive, even if it means giving them the night to themselves.