Sierra marten caught on camera using underpass in Sierra NF
![A marten (weasel like mammal) walks under a wooden underpass](/index.php/styles/full_width/public/thumbnails/image/2019_UnderpassSierraMarten_GIF_crop.gif?itok=QojjCcta)
Detailed Description
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.
Learn more about the project here: https://www.usgs.gov/center-news/toad-crossing-ahead-new-study-tests-elevated-roads-underpasses-rare-toad?qt-news_science_products=1#qt-news_science_products
Sources/Usage
Public Domain.