The Helicopter-Flying Wildlife Biologists Saving Our Wildlife

The Helicopter-Flying Wildlife Biologists Saving Our Wildlife

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Photo Gallery: The Helicopter-Flying Wildlife Biologists Saving Our Wildlife

The Wyoming Migration Initiative (WMI) is composed of researchers, writers, students, and conservationists who strive to advance the understanding of the state’s migratory deer and bighorn sheep. Increases in private housing developments, traffic, and energy extraction on our public lands have threatened many ungulate migration routes in Wyoming.

For a week in March, photographer Ben Kraushaar shadowed the WMI folks as they captured and collared 35 Rocky Mountain bighorn sheep and 220 mule deer throughout Wyoming. From the Red Desert to eastern Greater Yellowstone, Kraushaar documented the steps involved in WMI’s efforts to better understand the migrations and health of these animals. Here, Kraushaar shares a behind-the-scenes look at the fast-paced life of wildlife biologists collecting invaluable data in the field.

Photo: Kevin Coates, who works for Native Range Capture Services, nets a bighorn sheep. Once netted, the mugger (the person who subdues the animal) jumps from the chopper and carefully hobbles and blindfolds the sheep. For deer and sheep, sedation is usually unnecessary. Coates then carefully prepares the animal for transport to a nearby field research setup.

The southern Wind River Range provides a dramatic backdrop as Coates (left) and Colton Hodson (right) prepare for a long day in the chopper. Coates and Hodson have arguably the most dangerous and exciting job in wildlife biology.
Pilot David Rivers ferries two female mule deer to a staging area where biologists will collect data and deploy GPS tracking collars. These lightweight helicopters can ferry up to three mule deer at a time. To save precious weight, the chopper carries just enough fuel to get through a single job.
A Rocky Mountain bighorn sheep captured near Dubois, Wyoming, is transported to the staging area. The ram’s heavy horns make it extra important that the muggers properly secure its head. The Rocky Mountain bighorn sheep is the largest sheep species in North America and can weigh more than 300 pounds.
After the helicopter drops off the animals, biologists remove the transport harness and place the animals on litters. They then delicately carry the animals to padded mats, where biologists take measurements and collect samples to check overall health.
The capture crew heads off to net more deer as biologists Anna Ortega (left) and Katey Huggler (right) begin collecting data. It’s essential that the biologists work as quickly as possible to minimize stress on the animal.
Kevin Monteith (left) of the University of Wyoming administers an ultrasound as Patrick Lionberger (right) of the Bureau of Land Management tries to keep the doe calm. Monteith’s two daughters observe their dad at work.

The ultrasound allows researchers to determine if the doe is pregnant. By measuring the eye diameter of the fetus, researchers can assess its stage of development. Female mule deer typically carry twins but occasionally have triplets.

Ortega processes a blood sample collected from a mule deer doe near Lander, Wyoming.
Scientists analyze the blood for hormone concentrations, genetics, and disease. Ortega will continue this research for three more years and promises to post updates on her Instagram.
A large ram showing off its teeth. The least-invasive way of determining the age of these ungulates is to have an experienced biologist inspect its teeth for the amount of overall wear.
In addition to blood, biologists collect fecal samples directly from the animal. These samples provide valuable insight into animal diet and hormone concentrations, including cortisol, a hormone that gives researchers an indication of the animals’ stress levels.
This research would not be possible without the collaboration of many government agencies, nonprofits, landowners, industry, and other stakeholders. Wyoming Game and Fish, the Muley Fanatic Foundation, and the Nature Conservancy were all instrumental in making these studies possible.
Ben Robb (left) and Tayler LaSharr (right), graduate students from the University of Wyoming, fasten a doe with a GPS tracking collar. These specialized collars provide researchers with a location for the deer every two hours and can last up to two years. Advances in GPS tracking technology have played a crucial role in understanding migration timing and routes.
Occasionally, the animals are too far from the staging area to transport. In that case, a small team of biologists joins the mugging crew to collect data and deploy collars in the field.
Scientists recently discovered the world’s longest mule deer migration: from the Red Desert near Rock Springs to Hoback, near Jackson. Over the course of four months, these deer walked 150 miles from their low-elevation winter range to their high-elevation summer grounds. The deer passed through a mix of public and private lands and would have crossed more than 100 fences.
As habitat loss and fragmentation increase across ungulate ranges in Wyoming, collecting accurate data becomes increasingly important. The hard work of the WMI and their collaborators is helping to facilitate conservation and management efforts, in addition to preserving the cultural and hunting heritage in Wyoming.
Robb releases a freshly collared mule deer back into the wild near Dubois, Wyoming. Success stories are already beginning to emerge from this work. Recently, the Fremont Lakes area, near Pinedale, was identified as a major choke point along the 150-mile migration coordinator for mule deer. Along the lakes, a 364-acre private land parcel bounded by an eight-foot-tall elk fence had been forcing the herd into difficult, often deadly decisions. Thanks to the scientists’ hard work, the Conservation Fund spearheaded a fundraising campaign to purchase the land and remove 15,000 feet of fence.

Hunting

via Outside Magazine http://ift.tt/2hKcY6v

May 30, 2017 at 11:58AM

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