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Western Ecological Research Center (WERC) images.

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A marten (weasel like mammal) walks under a wooden underpass
Sierra marten caught on camera using underpass in Sierra NF
Sierra marten caught on camera using underpass in Sierra NF
Sierra marten caught on camera using underpass in Sierra NF

A Sierra Marten (Martes caurina sierra) caught on wildlife camera in October 2019 passing beneath an elevated road segment built to study usage of the underpass by the Yosemite toad.

A Sierra Marten (Martes caurina sierra) caught on wildlife camera in October 2019 passing beneath an elevated road segment built to study usage of the underpass by the Yosemite toad.

Squirrel-like animal looks up at the camera
Humboldt’s flying squirrel on wildlife camera
Humboldt’s flying squirrel on wildlife camera
Humboldt’s flying squirrel on wildlife camera

The photo features a Humboldt’s flying squirrel (Glaucomys oregonensis) caught on a wildlife camera. The camera was set up to study animal movement under a new road crossing structure known as the “toad road” in Sierra National Forest.

The photo features a Humboldt’s flying squirrel (Glaucomys oregonensis) caught on a wildlife camera. The camera was set up to study animal movement under a new road crossing structure known as the “toad road” in Sierra National Forest.

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