Winter field work 2009
Bighorn sheep on Mt. Whister during winter. (Photo: Chris Onufer)
View of Mount Hunt from the top of the Headwall on the Jackson Hole Mountain Resort. Mount Hunt is part of bighorn sheep winter range in the Tetons.
View south of the Upper Rock Springs backcountry access point off of the Jackson Hole Mountain Resort.
View of Cody Peak from the Upper Rock Springs access point.
Ski tracks off of Cody Peak.
Aly Courtemanch contacts a backcountry skiier to carry a GPS tracking unit for the recreation component of the study.
Aly Courtemanch chats with a backcountry skiier at the Upper Rock Springs access point about the project.
Tim Lyons and Dan Courtemanch contact a backcountry skiier leaving Jackson Hole Mountain Resort.
Tim Lyons attaches a GPS tracking unit to the backpack of a backcountry skiier.
View out of the Upper Rock Springs backcountry access point at the Jackson Hole Mountain Resort. This was one of the backcountry sampling points for the recreation component of the study.
Aly Courtemanch and Utah State graduate student Ashley D'Antonio create a GPS calibration point for the winter recreation study at the Bradley-Taggart trailhead.
Volunteer Eliot Neal descends the backside of Tensleep Bowl into Granite Canyon.
Aly Courtemanch, ready to descend into Granite Canyon from Tensleep Bowl.
Aly Courtemanch listening for GPS-collared bighorn sheep frequencies from the top of the Jackson Hole Mountain Resort (Photo: Mark Gocke, WGFD)
Summer field work 2008
Field technician Ari La Porte hiking up Jensen Canyon in June
View of Fox Creek Pass during the summer
View of Housetop Mountain
Aly Courtemanch, Ari La Porte, and Leah Yandow (L-R) get ready for a day of field work in the Tetons
Aly Courtemanch listening for GPS-collared bighorn sheep frequencies in Granite Canyon
Field technician Leah Yandow listens for bighorn sheep frequencies above Coyote Lake and Open Canyon
Typical bighorn sheep habitat in Webb Canyon
Bighorn sheep ewe and lamb in Granite Canyon
Bighorn sheep lamb
Field technician Tim Lyons observing bighorn sheep in Webb Canyon
John Stephenson (National Park Service), Walter Scherer (National Park Service) and Tim Lyons (L-R) decide a route for the afternoon near Fossil Mountain
Field technicians Tim Lyons and Leah Yandow scan for bighorn sheep from Owl Peak. Jackson Lake is in the background.
Leah Yandow, Aly Courtemanch, and Tim Lyons (L-R) observe bighorn sheep in Fox Creek.
An example of the incredible places bighorn sheep can be found.
GPS-collared bighorn sheep "U2" with another ewe in early summer
Graduate advisor Matthew Kauffman (University of Wyoming), Aly Courtemanch, and Leah Yandow, ready for a day of field work in Webb Canyon
GPS-collared bighorn sheep in Darby Canyon at dusk
Aly Courtemanch, negotiating bighorn sheep terrain in Granite canyon
Aly Courtemanch and field technician Tim Lyons investigate a bighorn sheep mortality
Field technicians Tim Lyons and Leah Yandow navigate the passage to from Jackson Lake into Webb Canyon
Leah Yandow looks for bighorn sheep in Granite Canyon
Typical bighorn sheep habitat in early summer
View of Coyote Lake in upper Open Canyon
An example of bighorn sheep summer habitat in Fox Creek
A group of bighorn sheep ewes and lambs (2 with GPS-collars) in Fox Creek
Field technician Ari La Porte and graduate student Aly Courtemanch (L-R) with a class III ram skull at Coyote Lake.
Two bighorn sheep in Webb Canyon
A GPS-collared bighorn ewe
Filed technician Ari La Porte scans for bighorn sheep
View of Coyote Lake, Open Canyon, and Mount Hunt on the right
Group of bighorn sheep travelling along a ridgeline at dusk
Bighorn sheep captures
Leading Edge Aviation capture crew taking off to capture bighorn sheep in the Tetons, February 2008 (Photo: Mark Gocke, WGFD)
Leading Edge Aviation helicopter during bighorn sheep captures, February 2008 (Photo: Mark Gocke, WGFD)
Wes Livingston from Leading Edge Aviation collars a bighorn sheep in the Tetons (Photo: Mark Gocke, WGFD)
Wes Livingston from Leading Edge Aviation collects a blood sample for disease testing (Photo: Mark Gocke, WGFD)
Two bighorn sheep on winter range in the Tetons (Photo: Mark Gocke, WGFD)
GPS store-on-board bighorn sheep collar
Leading Edge Aviation helicopter capture crew (Photo: Mark Gocke, WGFD)
Tetons during winter (Photo: Mark Gocke, WGFD)
Tetons during winter (Photo: Mark Gocke, WGFD)
Two bighorn sheep spotted high in the Tetons during capture operations (Photo: Mark Gocke, WGFD)
Helicopter re-fueling during capture operations, February 2008 (Photo: Mark Gocke, WGFD)
Leading Edge capture crew, University of Wyoming, and Wyoming Game and Fish Department biologists making a capture plan, February 2008 (Photo: Mark Gocke, WGFD)
Sarah Dewey, Grand Teton National Park wildlife biologist (L), and Aly Courtemanch, graduate student (R) prepare bighorn sheep collars for captures (Photo: Mark Gocke, WGFD)