Katlyn Steinkerchner (undergraduate research technician for PA Coop Unit) is banding a Henslow’s sparrow.
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Henslow's Sparrow
Katlyn Steinkerchner (undergraduate research technician for PA Coop Unit) is banding a Henslow’s sparrow.
Wild Wolf Afflicted with Mange
Researchers at the USGS Northern Rocky Mountain Science Center and their partners place thermal remote cameras near deer and elk carcasses in Yellowstone National Park to capture images of wolves with mange feeding in the wild.
Researchers at the USGS Northern Rocky Mountain Science Center and their partners place thermal remote cameras near deer and elk carcasses in Yellowstone National Park to capture images of wolves with mange feeding in the wild.
South Dakota Cooperative Fish and Wildlife Research Unit
South Dakota Cooperative Fish and Wildlife Research UnitMike Greiner, M.S. student, South Dakota Coop Unit. Mike is studying limnology of Bureau of Reclamation Reservoirs in North Dakota.
South Dakota Cooperative Fish and Wildlife Research Unit
South Dakota Cooperative Fish and Wildlife Research UnitMike Greiner, M.S. student, South Dakota Coop Unit. Mike is studying limnology of Bureau of Reclamation Reservoirs in North Dakota.
Beaver Study
The Massachusetts unit and its cooperators are using box traps to capture and mark beavers for a study of their ecology in and around suburban areas of Massachusetts.
The Massachusetts unit and its cooperators are using box traps to capture and mark beavers for a study of their ecology in and around suburban areas of Massachusetts.
Bighorn Sheep Ram
The USGS studies bighorn sheep movements, population structures, and habitat use in and near Glacier National Park.
The USGS studies bighorn sheep movements, population structures, and habitat use in and near Glacier National Park.
Hydrocyclone Filtration System
Assistant Idaho Unit Leader Christine Moffitt during construction of hydrocyclone filtration system at Hagerman National Fish Hatchery.
Assistant Idaho Unit Leader Christine Moffitt during construction of hydrocyclone filtration system at Hagerman National Fish Hatchery.
Deploying Electromagnetic Sensors
USGS and Oregon State University scientists deploying electromagnetic sensors in the field.
USGS and Oregon State University scientists deploying electromagnetic sensors in the field.
South Dakota Cooperative Fish and Wildlife Research Unit
South Dakota Cooperative Fish and Wildlife Research UnitTrevor Selch, Ph.D. student at the South Dakota Unit is studying effects of mercury on walleye reproduction. Dr. Steven Chipps, AUL-Fisheries, pictured at right.
South Dakota Cooperative Fish and Wildlife Research Unit
South Dakota Cooperative Fish and Wildlife Research UnitTrevor Selch, Ph.D. student at the South Dakota Unit is studying effects of mercury on walleye reproduction. Dr. Steven Chipps, AUL-Fisheries, pictured at right.
Paddle Boarding on the Guadalupe River
Cool, clear rivers of the Texas Hill Country attract visitors for many recreational opportunities. Here, a family enjoys paddleboarding at Schreiner Park during spring break in Kerrville, Texas.
Cool, clear rivers of the Texas Hill Country attract visitors for many recreational opportunities. Here, a family enjoys paddleboarding at Schreiner Park during spring break in Kerrville, Texas.
Ahankashan Copper Gold
Aerial view looking into the center of the dome-shaped pluton.
Aerial view looking into the center of the dome-shaped pluton.
Bark Scorpion (Centruroides sp.)
Black scorpion (Centruroides sp.) held in a person's hand.
Black scorpion (Centruroides sp.) held in a person's hand.
Engraved Copper Map Plate
The USGS is offering surplus engraved copper plates for sale through government auction.
The USGS is offering surplus engraved copper plates for sale through government auction.
Collecting Gas Sample at a Fumarole
USGS geologist Deborah Bergfeld collects a gas sample from a superheated (hotter than the boiling point) fumarole in Little Hot Springs Valley at Lassen Volcanic National Park.
USGS geologist Deborah Bergfeld collects a gas sample from a superheated (hotter than the boiling point) fumarole in Little Hot Springs Valley at Lassen Volcanic National Park.
USGS Avian Flu Research
A biological technician of the USGS National Wildlife Health Center tests chicken eggs inoculated with a field sample from wild birds to detect the presence of avian influenza virus.
A biological technician of the USGS National Wildlife Health Center tests chicken eggs inoculated with a field sample from wild birds to detect the presence of avian influenza virus.
Scientists Collect Data on Yosemite Rock Erosion
Yosemite National Park geologist Greg Stock and USGS civil engineer Brian Collins download data from instruments measuring how much granitic exfoliation sheets move from daily temperature variations as a precursor to rock fall.
Yosemite National Park geologist Greg Stock and USGS civil engineer Brian Collins download data from instruments measuring how much granitic exfoliation sheets move from daily temperature variations as a precursor to rock fall.
Meadow Vole
Meadow vole rests in its habitat.
Meadow vole rests in its habitat.
Radiolarians (10 Species)
A photomicrograph depicting the siliceous tests of ten species of marine radiolarians. Upon death, their tests can form siliceous marine sediments known as radiolarian ooze.
A photomicrograph depicting the siliceous tests of ten species of marine radiolarians. Upon death, their tests can form siliceous marine sediments known as radiolarian ooze.
Deforestation
Forest cover being removed for cattle pasturage and development. Bulldozer and smoke from bulldozed trees in the background with cattle in the foreground.
Forest cover being removed for cattle pasturage and development. Bulldozer and smoke from bulldozed trees in the background with cattle in the foreground.
Field Work on Mount Rainier
Researcher Amanda Kissel pauses by a lake in Mt. Rainier National Park.
Researcher Amanda Kissel pauses by a lake in Mt. Rainier National Park.
Maureen Ryan with Chuckler
Reseracher Maureen Ryan poses by a pond holding one of her study species, a cascades frog.
Reseracher Maureen Ryan poses by a pond holding one of her study species, a cascades frog.
Deforestation
Forest cover being removed for cattle pasturage and development. Smoke from bulldozed trees is visible in background with cattle in the foreground.
Forest cover being removed for cattle pasturage and development. Smoke from bulldozed trees is visible in background with cattle in the foreground.