California Mountain Lions

Information about mountain lions and stories from the field associated with our efforts to support mountain lion conservation in California.

Field Gear Reviews | California Mountain Lions

We Use MarCell Wireless Freezer Monitors on Our Mountain Lion Bait & Sample Freezers
ByCalvin D., M.S. May 29, 2025May 29, 2025

Before using MarCell Pro Freeze Alarm wireless freezer monitors, the UC Davis Wildlife Health Center Carnivores Program lost hundreds of irreplaceable mountain lion DNA samples and multiple freezers full of mountain lion bait. Don’t even get me started on the mess and the smell. If you plan to purchase a wireless freezer monitor or any…

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California Mountain Lions

Collared Mountain Lion With 3 Kittens Killed On Pacheco Pass
ByCalvin D., M.S. May 17, 2025May 17, 2025

Collared female mountain lion F337 was hit and killed along Highway 152 in late November 2024. The status of her three kittens is still uncertain. Monitoring F337 and watching as her kittens grew was an extremely enjoyable part of my job, and her passing deeply saddened me. F337 was captured, sampled, and GPS collared to…

Read More Collared Mountain Lion With 3 Kittens Killed On Pacheco Pass