Collared mountain lion F337 caching a bait.
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We Use MarCell Wireless Freezer Monitors on Our Mountain Lion Bait & Sample Freezers

ByCalvin D., M.S.

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…

Collared mountain lion F337 with one of her three kittens.

Collared Mountain Lion With 3 Kittens Killed On Pacheco Pass

ByCalvin D., M.S.

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…