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Federal
Migration Routes of Mule Deer in the Modoc Interstate Herd in California
Department of the Interior —
The Modoc Interstate mule deer (Odocoileus hemionus) herd migrates from a winter range near Clear Lake Reservoir in Modoc County, California north into Oregon in... -
Federal
North American Bat Monitoring Program (NABat) Bayesian Hierarchical Model for Winter Abundance: Predicted Population Estimates (2022 and 2023)
Department of the Interior —
The dataset is comprised of historical observations and predictions of winter colony counts at known sites for three bat species (little brown bat, Myotis lucifugus;... -
Federal
Greater sage-grouse population change (percent change) in a low oil and gas development, high population estimate scenario, and with no effects of climate change (2006-2062)
Department of the Interior —
This data set defines boundaries of oil and gas project areas, greater sage-grouse (Centrocercus urophasianus) core areas, and non-core and non-project areas within... -
Federal
Documented known and probable grizzly bear mortalities in the Greater Yellowstone Ecosystem, 2015-2024 (ver. 4.0 May 2025)
Department of the Interior —
The Interagency Grizzly Bear Study Team (IGBST) evaluates mortalities for population segments within the DMA by deriving estimates of total mortality for independent-... -
Federal
Migration Routes of Mule Deer in the Doyle Herd in California
Department of the Interior —
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... -
Federal
Grizzly Bear Space Use in the US Northern Rocky Mountains (ver. 3.0, July 2024)
Department of the Interior —
Over the past two centuries, persecution and habitat loss caused grizzly bears (Ursus arctos) to decline from a population of approximately 50,000 individuals to only... -
Federal
Migration Routes of Elk in the San Francisco Peaks Herd in Arizona
Department of the Interior —
The San Francisco Peaks elk (Cervus canadensis) herd comprises a migratory portion of the larger herd units in Arizona’s Game Management Units (GMU) 7 and 9. GMU 7... -
Federal
Migration Routes of Pronghorn in the South of Interstate 40 Herd in Arizona
Department of the Interior —
Interest in the movement of pronghorn south of Arizona’s Interstate 40 (I-40) began when telemetry data from 1999 – 2004 showed seasonal round-trip movements upwards... -
Federal
Migration Routes of Mule Deer in the Kaibab Herd in Arizona
Department of the Interior —
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... -
Federal
Santa Ana River Native Fish Population and Habitat Data, Santa Ana River, California, 2024
Department of the Interior —
This dataset includes fish population and habitat data collected in 2024 to support development of the upper Santa Ana River Habitat Conservation Plan for the Santa... -
Federal
Winter Ranges of Mule Deer in the Kaibab Herd in Arizona
Department of the Interior —
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... -
Federal
Winter Ranges of Elk in the San Francisco Peaks Herd in Arizona
Department of the Interior —
The San Francisco Peaks elk (Cervus canadensis) herd comprises a migratory portion of the larger herd units in Arizona’s Game Management Units (GMU) 7 and 9. GMU 7... -
Federal
Eastern migratory monarch butterfly population estimates and associated early warning signals (2006-2022)
Department of the Interior —
The long decline of the eastern migratory population of monarch butterflies (Danaus plexippus) appears to have abated in recent years and the population now persists... -
Federal
Population vulnerability of marine birds within the California Current System
Department of the Interior —
Six metrics were used to determine Population Vulnerability: global population size, annual occurrence in the California Current System (CCS), percent of the... -
Federal
Annual Ranges of Pronghorn in the South of Interstate 40 Herd in Arizona
Department of the Interior —
Interest in the movement of pronghorn south of Arizona’s Interstate 40 (I-40) began when telemetry data from 1999 – 2004 showed seasonal round-trip movements upwards... -
Federal
Migration Stopovers of Mule Deer in the Modoc Interstate Herd in California
Department of the Interior —
The Modoc Interstate mule deer (Odocoileus hemionus) herd migrates from a winter range near Clear Lake Reservoir in Modoc County, California north into Oregon in... -
Federal
Migration Stopovers of Mule Deer in the Doyle Herd in California
Department of the Interior —
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... -
Federal
Migration Corridors of Pronghorn in the South of Interstate 40 Herd in Arizona
Department of the Interior —
Interest in the movement of pronghorn south of Arizona’s Interstate 40 (I-40) began when telemetry data from 1999 – 2004 showed seasonal round-trip movements upwards... -
Federal
Migration Corridors of Mule Deer in the Kaibab Herd in Arizona
Department of the Interior —
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... -
Federal
Greater sage-grouse population change (percent change) over 50-years in a high oil and gas development, low population estimate scenario, and with effects of climate change under an RCP 8.5 scenario (2050)
Department of the Interior —
This data set defines boundaries of oil and gas project areas, greater sage-grouse (Centrocercus urophasianus) core areas, and non-core and non-project areas within...