New Camera Study Tracks Wildlife Migration to Reduce Collisions Along I-395
Thursday, March 10, 2022
A new study aims to reduce wildlife collisions in one of the biggest hotspots for them - Highway 395 from Reno, Nevada, through Tahoe up to Susanville.
The nonprofit Wildlands Network worked with specialists at Pathways for Wildlife to place about 40 cameras on the route - to see where animals are trying to cross and where specialized fencing is needed to direct them to culverts or a wildlife overpass.
Mari Galloway, California program manager with Wildlands Network, said the road cuts off the migration pattern for many different species.
"The mule deer, coyotes, pronghorn, elk, black bears, mountain lions," said Galloway. "American badgers, grey fox and long-tailed weasels occupy the area as well."
Many species overwinter in the lower elevations near Reno and migrate to the Sierra Nevadas in the summer in search of food, mates and new territory for the juveniles.
According to the University of California, Davis Roadkill Ecology Center, from 2016 to 2021 there were almost 350 large wildlife collisions - mostly mule deer - on a 60-mile stretch of Highway 395, doing more than $6 million in damage.
Tanya Diamond, co-owner and wildlife ecologist at Pathways for Wildlife, said the year-long study will identify existing passageways and fencing that could be improved or repaired, and the best place for a new wildlife overpass.
"In 15 years of study, I don't think I've ever encountered a highway that needed this much extensive help," said Diamond. "This is such an important area with the deer migrating like that."
The work builds on efforts from CalTrans and the California Department of Fish and Wildlife and their counterparts in Nevada. Actual construction of new culverts or overpasses is a few years off, once environmental studies are complete.
Hwy 395: Hallelujah Junction Advancing the protection of migration corridors, wildlife movement, and motorists through partnerships Wildlands Network 9/13/21
Pathways for Wildlife homepage Pathways for Wildlife 2022
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