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The Doyle mule deer (Odocoileus hemionus) herd migrates from a winter range in Honey Lake Valley and Upper Long Valley near Doyle, California along US Highway 395 in Lassen County, California and eastward into Plumas County and Plumas National Forest in the Sierra Nevada Mountains for the summer. Winter range also exists on the Nevada side of the border in Washoe County. Much of the winter range habitat is now deteriorated, lacking vegetation that historically provided forage. Highway 395 is a major barrier to migration, with hundreds of deer being killed annually trying to cross it. Population estimates were ~15,600 in 2019. These data provide the location of winter ranges for mule deer in the Doyle population...
The North of Interstate 40 (I-40) elk (Cervus canadensis) herd makes an annual migration throughout some of Arizona’s high elevation landscapes west of Flagstaff. The bulk of the herd resides in Arizona’s Game Management Unit (GMU) 7W during the summer and during the winter many migrate to GMU 10. The GMU 7W population had an estimate of 4,300 individuals in 2019, while the GMU 10 population had an estimate of 3,200. Like many elk in Arizona, only a portion of the herd is migratory. Summer range contains ponderosa pine forests and open prairies near Government Prairie and Sitgreaves Mountain. In the winter, the elk transition to gradually lower elevations and habitats dominated by pinyon-juniper woodlands. I-40...
The North of Interstate 40 Pronghorn herd primarily resides in Arizona’s Game Management Unit (GMU) 7. GMU 7 had an estimated population of 550 pronghorn in 2019. The Pronghorn North of Interstate 40 summer in high elevation open meadows and ponderosa pine habitat near Government Prairie. When winter conditions set in the pronghorn Antilocapra americana) seek lower elevations, migrating through mixed pinyon-juniper woodlands to open grassland and shrub habitats north of Sitgreaves Mountain, often crossing US Highway 180 (US-180) towards Antelope Flat. US-180 is an increasing threat to this migration corridor as traffic volumes rise. However, right-of-way fence improvements and relatively low traffic volumes on US-180...
Pronghorn (Antilocapra americana) within the Sublette herd comprise one of the largest pronghorn populations in North America. Sublette pronghorn winter in the more southern areas of the upper Green River Basin. Depending upon winter severity, individual pronghorn winter between Pinedale in the north to Rock Springs in the south, and in the western portions of the Red Desert. Winter ranges include a mix of grassland and sagebrush dominated mesas and rolling hills. During migration, animals that have been tracked with GPS collars (n = 362 females) travel an average one-way distance of nearly 60 miles (96 km), with some animals migrating over 200 miles (320 km). This herd is home to the longest distance migrating...
A significant portion of the interstate Carson River herd summers in the Sierra Nevada range of California and migrates to a winter range near the California-Nevada border. Herd size has declined significantly (>70%) from historical peak levels, likely due to habitat loss and vehicle collisions. A large increase in housing development and traffic along the Highway 395 corridor during the past 20 years has contributed to population declines for this herd. Significant barriers include fencing along Carson River and outlying suburban areas in Carson City, Minden, and Gardnerville, Nevada. These data provide the location of winter ranges for mule deer (Odocoileus hemionus) in the Carson River population in California...
Mule deer (Odocoileus hemionus) of the Kaibab Plateau in Arizona had a population estimate of 10,200 individuals in 2019. The herd is relatively isolated; limited in range to the east, south, and west sides by the Grand Canyon. Annually the Kaibab herd migrates an average of 27 mi (43 km) between summer and winter range. Winter range is along the west, east, and northern extents of the plateau; consisting of pinyon-juniper woodlands mixed with sagebrush, cliffrose, bitterbrush, and various grasses. Some of the Kaibab herd winters in Utah, sharing winter range with Utah’s Paunsaugunt Plateau herd. During migration mule deer pass through mid-elevation transitional range containing Gambel oak, pinyon pine, and Utah...
The Doyle mule deer (Odocoileus hemionus) herd migrates from a winter range in Honey Lake Valley and Upper Long Valley near Doyle, California along US Highway 395 in Lassen County, California and eastward into Plumas County and Plumas National Forest in the Sierra Nevada Mountains for the summer. Winter range also exists on the Nevada side of the border in Washoe County. Much of the winter range habitat is now deteriorated, lacking vegetation that historically provided forage. Highway 395 is a major barrier to migration, with hundreds of deer being killed annually trying to cross it. Population estimates were ~15,600 in 2019. These data provide the location of migration stopovers for mule deer in the Doyle population...
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The Salt Springs herd winters in the western foothills of the Sierra Nevada predominantly on private property from Tylers Corner south to Sheep Ranch. The summer range is in high-elevation terrain near Lower Bear River Reservoir and Salt Springs Reservoir. The winter range consists of mainly oak woodland habitat and the summer range includes primarily mixed conifer opening up to high alpine granite near the crest of the Sierra Nevada. The population size is unknown due to limited data. This GPS collaring project was designed as part of a region-wide effort to obtain abundance estimates for deer using fecal DNA and home range analyses, with pinpointing migration routes and identifying winter ranges a secondary priority....
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The Selkirk White-tailed Deer Management Zone (WDMZ) is home to the largest population of white-tailed deer in the state and consists of seven Game Management Units (GMU; GMUs 105, 108, 111, 113, 117, 121, and 124) located in northeast Washington. Aside from the southern portion of GMU 124, dominated by the metropolitan area of Spokane, Washington, most of these GMUs have similar rural characteristics. Private landowners manage most of the Selkirk WDMZ (77 percent), primarily for commercial timber harvest. The U.S. Forest Service manages 16 percent of the land, and the U.S. Fish and Wildlife Service, Department of Natural Resources, and Bureau of Land Management manage the remaining 7 percent. White-tailed deer...
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With substantial forest habitat in the Sierra Madre, the Sierra Madre elk population is one of the most productive elk herds in the state. The herd occupies typical year-round habitat for elk in Wyoming. They winter largely in expansive sagebrush growing in the foothills and at low elevations in the valley of the Little Snake River and its various drainages. In spring, most animals migrate to higher elevation forested habitat within the Sierra Madre. Like many elk herds, their seasonal migrations tend to be diffuse without a clear delineation of narrowly defined corridors; the average migration length is approximately 25 miles. Some animals migrate farther distances, with a maximum length of 62 miles, south across...
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The South Rock Spring mule deer herd lives year-round in the Greater Little Mountain Ecosystem in southwestern Wyoming, an arid landscape where desert badlands give way to aspen and mountain shrub communities at higher elevations. Approximately 4,000 mule deer occupy this landscape, which is one of the least developed in Wyoming. Likely owing to its aridity and lack of strong elevational gradients and high mountains, mule deer migrations in this herd are less pronounced and less structured than elsewhere in Wyoming. Instead of all animals congregating in a common winter range and following a common narrow corridor to their summer range, mule deer in this herd migrate in a very diverse fashion. Some animals winter...
Mule deer within the Clarks Fork herd make a number of significant westward long-distance migrations. These migrations originate north of Cody, near Heart Mountain and along the foothills of Absaroka Front. There, deer winter in the lower elevation sagebrush valleys, and in spring an estimated 2,700 deer head west into the high elevation mountain valleys of the Absaroka Range and Yellowstone National Park. This herd summers along the Lamar River, Cache Creek, and the Clarks Fork of the Yellowstone. The longest migration is 68 miles and ends just north of Yellowstone Lake along the Yellowstone River in the Hayden Valley. These challenging journeys, an average of 38 miles long, cross rugged terrain and steep mountain...
Mule deer in the Platte Valley North population are part of the larger Platte Valley herd unit with an estimated population of 11,000 animals (fig. 28). These mule deer winter in the sagebrush canyons and basins near the Platte River north of Saratoga, Wyoming. Other segments of this population winter in the Chokecherry Knob area, south of Sinclair, and the Dana Ridge area just north of I-80. The migratory patterns of these deer are diverse and vary with each winter range. Deer in this part of the Platte Valley have a noticeably higher proportion of resident animals compared to the Platte Valley South population. For example, half of the mule deer near I-80 are residents. Improving the connectivity of deer migration...
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Mule deer of the Kaibab North herd on the Kaibab Plateau are treasured for their historic and contemporary significance in North America. They are the densest population of mule deer in Arizona, with an estimate of 10,200 individuals in 2019. This report compiles two research efforts, the first completed by Arizona Game and Fish Department in 2014, and the second from Utah Division of Wildlife’s ongoing research started in 2017. The Kaibab Plateau is bound on the east, south, and west by vertical canyon walls which run along the Colorado River and Kanab Creek. The Kaibab North Deer herd winters among pinyon-juniper, sagebrush, and cliffrose landscapes along the west, east, and northern extents of the plateau. Portions...
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1. This stable isotope dataset includes the carbon and nitrogen values for loggerhead, Kemp's ridley, green sea turtles and their prey items in St. Joseph Bay, FL sampled between 2011 and 2021. 2. This dataset was created from a collection of sea turtle diet papers to produce a comprehensive summary of sea turtle diet based on scientific publications for loggerhead, Kemp's ridley and green turtles.
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This data release is composed of seven datasets regarding colonial seabirds and forage fish at two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska. These data were collected to detect changes in the breeding population of Black-legged Kittiwakes and Common Murres on two nesting colonies in lower Cook Inlet and to compare those counts to baseline counts from 1995-1999. They are part of an ongoing study in lower Cook Inlet, Alaska to assess the recent status of forage fish and seabirds (2000-2020).
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These data include information about the year, date, time, and shrub identifying number where the following data were collected - the number of Grasshopper Sparrows that were flushed from the shrub, the air temperature (not in direct sun), relative humidity (not in direct sun), ground temperature in sun, ground temperature beneath shrub, air temperature in the shrub, and relative humidity within the shrub.
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These data represent the interaction between two male individuals of California Kingsnakes in Apache Junction, northern Pinal County, Arizona. The interaction was observed, recorded on video, and documented. The dataset is a time series description of the interaction and behaviors of two male California Kingsnakes (Lampropeltis californiae; the two individuals are labeled "B" and "D" for purposes of description) which was used to describe aspects of the interaction in the accompanying publication. Second-by second breakdown of the video sequence provided the "time-stamped" descriptions contained in the data table. These data support the journal article "Lampropeltis californiae (California Kingsnake) behavior, male...
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Most of the Southeast mule deer herd winters along the Owyhee River in regions containing sagebrush communities and Columbia Basin grassland mixed with non-native annual grasslands. These mule deer either migrate west to summer ranges on Road Canyon and Gravel Ridges or east to the Owyhee Mountains along the Idaho border, with one mule deer migrating as far as Bald Mountain, 38.3 mi (61.6 km) into Idaho. Summer ranges feature shrubland, Columbia Basin grasslands, western juniper, and evergreen forests. In 2014, the Buzzard Complex fires burned 398,596 acres (161,306 ha), including Road Canyon, allowing medusahead and other non-native grasses to invade areas with originally low perennial plant abundance. Five mule...
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Most of the Southeast mule deer herd winters along the Owyhee River in regions containing sagebrush communities and Columbia Basin grassland mixed with non-native annual grasslands. These mule deer either migrate west to summer ranges on Road Canyon and Gravel Ridges or east to the Owyhee Mountains along the Idaho border, with one mule deer migrating as far as Bald Mountain, 38.3 mi (61.6 km) into Idaho. Summer ranges feature shrubland, Columbia Basin grasslands, western juniper, and evergreen forests. In 2014, the Buzzard Complex fires burned 398,596 acres (161,306 ha), including Road Canyon, allowing medusahead and other non-native grasses to invade areas with originally low perennial plant abundance. Five mule...
map background search result map search result map Data collected about behavioral responses to high temperatures in desert grassland bird in 2007, 2011-2013 Lampropeltis californiae (California Kingsnake) behavior, male combat video, Apache Junction, AZ Migration Routes of Mule Deer in Clarks Fork Herd in Wyoming Migration Routes of Mule Deer in Platte Valley North Population in Wyoming Migration Corridors of Mule Deer in the Kaibab North Herd in Arizona Assessing the Status and Trends of Seabirds and Forage Fish in Lower Cook Inlet, Alaska Migration Corridors of Elk in the North of Interstate 40 Herd in Arizona Migration Stopovers of Mule Deer in the Kaibab Herd in Arizona Winter Ranges of Mule Deer in the Carson River Herd in California and Nevada Migration Stopovers of Mule Deer in the Doyle Herd in California Winter Ranges of Mule Deer in the Doyle Herd in California Winter Ranges of Pronghorn in the North of Interstate 40 Herd in Arizona Migration Routes of Pronghorn in Sublette Herd in Wyoming California Mule Deer Salt Springs Routes Washington White-Tailed Deer Selkirk Routes Wyoming Elk Sierra Madre Routes Wyoming Mule Deer South Rock Springs Routes Stable isotope data for sea turtles and prey items in St. Joseph Bay, FL (2011-2021) and comprehensive summary of sea turtle diet papers Oregon Mule Deer Southeast Migration Corridors Oregon Mule Deer Southeast Stopovers Assessing the Status and Trends of Seabirds and Forage Fish in Lower Cook Inlet, Alaska Data collected about behavioral responses to high temperatures in desert grassland bird in 2007, 2011-2013 Lampropeltis californiae (California Kingsnake) behavior, male combat video, Apache Junction, AZ Stable isotope data for sea turtles and prey items in St. Joseph Bay, FL (2011-2021) and comprehensive summary of sea turtle diet papers Winter Ranges of Pronghorn in the North of Interstate 40 Herd in Arizona Winter Ranges of Mule Deer in the Doyle Herd in California California Mule Deer Salt Springs Routes Migration Corridors of Elk in the North of Interstate 40 Herd in Arizona Migration Stopovers of Mule Deer in the Doyle Herd in California Wyoming Elk Sierra Madre Routes Winter Ranges of Mule Deer in the Carson River Herd in California and Nevada Migration Corridors of Mule Deer in the Kaibab North Herd in Arizona Migration Stopovers of Mule Deer in the Kaibab Herd in Arizona Wyoming Mule Deer South Rock Springs Routes Migration Routes of Mule Deer in Clarks Fork Herd in Wyoming Washington White-Tailed Deer Selkirk Routes Migration Routes of Mule Deer in Platte Valley North Population in Wyoming Oregon Mule Deer Southeast Stopovers Oregon Mule Deer Southeast Migration Corridors Migration Routes of Pronghorn in Sublette Herd in Wyoming