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Biologists Prepare for Third and Final Year of Fisher Releases
Released: 12/22/2009 3:42:07 PM

Contact Information:
U.S. Department of the Interior, U.S. Geological Survey
Office of Communication
119 National Center
Reston, VA 20192
Barb Maynes, Olympic National Park
Phone: (360) 565-3005

Marian Snyder, WDFW
Phone: (360) 902-2262

Kurt Jenkins 1-click interview
Phone: (360) 565-3041



In partnership with: National Park Service, Washington Dept. of Fish and Wildlife
   

Native mammals to be released in Olympic National Park

Thanks to a strong team of government and non-government partners, more native fishers will be reintroduced at remote sites within Olympic National Park next week, kicking off the third and final winter of releases.

“We are extremely grateful to the many partners who are making this project possible,” said Olympic National Park Superintendent Karen Gustin. “In particular, nonprofit partners Conservation Northwest, the Doris Duke Foundation and the Wildlife Conservation Society are providing crucial support for this final year of fisher releases.”

As in previous years, each released animal will wear a small radio transmitter, allowing biologists to track and monitor its movements. Biologists continue to monitor 22 fishers that were released during the past two winters. Also, with the discovery of three fisher birthing dens last summer, biologists determined that three females gave birth to at least seven kits. Other females may also have had young, but locating and verifying fisher dens is extremely difficult and time-consuming in the Olympic wilderness.

Fishers are about the size of a cat and are members of the weasel family, related to minks, otters and martens. They are native to the forests of Washington, including the Olympic Peninsula, but vanished from the state decades ago because of over-trapping in the late 1800s and early 1900s and habitat loss and fragmentation. Fishers were listed as a state-endangered species in 1998 by the Washington Fish and Wildlife Commission and were designated as a candidate for federal listing in 2004 by the U.S. Fish and Wildlife Service under the Endangered Species Act.

Fisher reintroduction to Olympic National Park is made possible through a partnership of agencies and organizations. The Washington Department of Fish and Wildlife and Olympic National Park are joint project managers and, along with the U.S. Geological Survey, are leading a research and monitoring program to evaluate the success of the reintroduction. The British Columbia Ministry of Environment is actively supporting the effort to capture and import fishers to Washington.

The goal of the three-year project is to release approximately 100 fishers to the Olympic Peninsula to re-establish a self-sustaining population. During the first two winters, 49 fishers were released. Since then, biologists have maintained frequent monitoring of the fisher’s radio collar signals. Despite extensive searching, the whereabouts of six fishers is unknown. Two animals’ radio signals have failed, 15 animals are known to have died and four are presumed to be dead. Partners in the project expect to release 40 to 45 more animals within the park this winter, which is the third and final year of releases.

“With this new group of fishers, we’re getting closer to reaching our target of releasing 100 on the Peninsula,” said Dave Brittell, assistant director of the WDFW wildlife program. “It’s great to watch these animals blend back into the forests of the Olympic Peninsula and we appreciate collaborating with a great group of people from a number of organizations to accomplish this work.”

Non-profit partner Conservation Northwest provides financial and administrative support for the project’s operations in British Columbia and coordinates volunteers who track fisher activity through remote camera stations. Washington’s National Park Fund provides financial support for monitoring the reintroduced fisher population. Other partners and organizations are providing financial or logistical support for management and research tasks.

“With this release, the Park’s new fisher population grows increasingly secure,” said Dave Werntz, conservation director at Conservation Northwest. “It shows the amazing things we can accomplish when we work in common cause with state and federal partners.”

Fisher reintroduction to Olympic National Park was examined in an environmental assessment released in September 2007. Nearly 200 comments were received and a Finding of No Significant Impact was signed in November 2007, paving the way for fisher restoration.

More information, including monthly updates from the monitoring effort, is available online at http://wdfw.wa.gov/wlm/diversty/soc/fisher/reintro.htm.


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