A drilling rig for shale gas development take at night from an overlook on Route 6 in Bradford County Pennsylvania.
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Drilling Rig for Shale Gas Development
A drilling rig for shale gas development take at night from an overlook on Route 6 in Bradford County Pennsylvania.
Adult Female Deer Tick
Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This image shows an adult female blacklegged tick, or deer tick.
Ticks spread the widest variety of diseases that are harmful to humans, including Lyme disease. This image shows an adult female blacklegged tick, or deer tick.
Sample bottles from pump sampler on the Elwha River
Sample bottle carousel from automated ISCO pump sampler deployed on the Elwha River, Washington to obtain suspended sediment samples.
Sample bottle carousel from automated ISCO pump sampler deployed on the Elwha River, Washington to obtain suspended sediment samples.
Northern long-eared bat with visible symptoms of WNS
Myotis septentrionalis, northern myotis (Vespertilionidae) with growth of Geomyces destructans clearly evident.
Myotis septentrionalis, northern myotis (Vespertilionidae) with growth of Geomyces destructans clearly evident.
Sea Lamprey Parasitic
Parasitic mouth of the invasive sea lamprey
Parasitic mouth of the invasive sea lamprey
Red-cockaded woodpecker
The red-cockaded woodpecker is a federally listed species that declined in the southeastern United States from approximately 1.6 million cooperative breeding groups to less than 3,500 groups due to loss and degradation of habitat and fire suppression.
The red-cockaded woodpecker is a federally listed species that declined in the southeastern United States from approximately 1.6 million cooperative breeding groups to less than 3,500 groups due to loss and degradation of habitat and fire suppression.
NWHC technician preparing avian samples for avian influenza testing
USGS National Wildlife Health Center laboratory technician preparing avian samples for avian influenza testing.
USGS National Wildlife Health Center laboratory technician preparing avian samples for avian influenza testing.
Cannibalistic morph Barred Tiger Salamander Closeup
Cannibalistic morph Barred Tiger Salamander Closeup, Jamestown, ND. Perhaps the rarest barred tiger salamander morphotype is the "cannibal" morph. Cannibal morphs are typically larvae and are distinguished by their disproportionally larger heads and pronounced vomerine teeth.
Cannibalistic morph Barred Tiger Salamander Closeup, Jamestown, ND. Perhaps the rarest barred tiger salamander morphotype is the "cannibal" morph. Cannibal morphs are typically larvae and are distinguished by their disproportionally larger heads and pronounced vomerine teeth.
Barred Tiger Salamander larvae
Cannibal morph Barred Tiger Salamander larvae in a bucket of typical morphs larvae, Kidder County, ND.
Cannibal morph Barred Tiger Salamander larvae in a bucket of typical morphs larvae, Kidder County, ND.
Barred Tiger Salamander cannibal larvae with typical larvae in its mouth
Barred Tiger Salamander larva with typical larva in its mouth, Kidder County, ND.
Barred Tiger Salamander larva with typical larva in its mouth, Kidder County, ND.
Studies of contaminant biogeochemistry and microbial processes in surface waters
Left: USGS Employee L. Windham-Myers showing a surface water sample collected in acid-cleaned mason jar (deployed for 24 hours) for a mercury study conducted at the Cosumnes River Nature Preserve (CA). Photographer: M. Marvin-DiPasquale. Date: 10/29/2014.
Left: USGS Employee L. Windham-Myers showing a surface water sample collected in acid-cleaned mason jar (deployed for 24 hours) for a mercury study conducted at the Cosumnes River Nature Preserve (CA). Photographer: M. Marvin-DiPasquale. Date: 10/29/2014.
Elk on a feedground in Wyoming.
Elk on a feedground in Wyoming.
Elk on a feedground in Wyoming.
Invasive tamarisk on the Colorado River.
This image is of invasive tamarisk (salt cedar) growing on the banks of the Colorado River.
This image is of invasive tamarisk (salt cedar) growing on the banks of the Colorado River.
Red-breasted Merganser pair on the North Slope of Alaska
Red-breasted Merganser pair in North Slope of Alaska
Red-breasted Merganser pair in North Slope of Alaska
USGS Water towers
USGS Water towers at Upper Midwest Environmental Sciences Center
USGS Water towers at Upper Midwest Environmental Sciences Center
Clark's Grebe at Thermalito Afterbay, CA
Clark's grebe sitting on a nest at Thermalito Afterbay, California.
Clark's grebe sitting on a nest at Thermalito Afterbay, California.
An Appalachian Mountain Stream in the Spring
An Appalachian Mountain Stream in the Spring. Photographed by Samuel H Austin
An Appalachian Mountain Stream in the Spring. Photographed by Samuel H Austin
Mountain Bluebird Eating Mistletoe Berry
A mountain bluebird eats a giant mistletoe berry in an ash tree in Sedona, Arizona (Oak Creek). These bluebirds, and many other types of birds, rely on mistletoe berries for sustenance. As a result, they also help distribute the mistletoe seeds.
A mountain bluebird eats a giant mistletoe berry in an ash tree in Sedona, Arizona (Oak Creek). These bluebirds, and many other types of birds, rely on mistletoe berries for sustenance. As a result, they also help distribute the mistletoe seeds.
Student Tour
Students from Hickman High School’s biology club ask questions during an educational tour at the Columbia Environmental Research Center (Columbia, MO).
Students from Hickman High School’s biology club ask questions during an educational tour at the Columbia Environmental Research Center (Columbia, MO).
Scientists Gathering Data from Area with Diseased Coral
Dr. Greta Aeby (left), a coral expert with the Hawai‘i Institute of Marine Biology at the University of Hawai‘i, and Dr. Thierry Work, wildlife disease specialist for the USGS National Wildlife Health Center exit the water at ‘Anini after more than six hours of documenting and photographing diseased rice corals.
Dr. Greta Aeby (left), a coral expert with the Hawai‘i Institute of Marine Biology at the University of Hawai‘i, and Dr. Thierry Work, wildlife disease specialist for the USGS National Wildlife Health Center exit the water at ‘Anini after more than six hours of documenting and photographing diseased rice corals.
WERC Mountain Bluebird Eating Mistletoe Berry
A mountain bluebird eats a giant mistletoe berry in an ash tree in Sedona, Arizona (Oak Creek). These bluebirds, and many other types of birds, rely on mistletoe berries for sustenance. As a result, they also help distribute the mistletoe seeds.
A mountain bluebird eats a giant mistletoe berry in an ash tree in Sedona, Arizona (Oak Creek). These bluebirds, and many other types of birds, rely on mistletoe berries for sustenance. As a result, they also help distribute the mistletoe seeds.