USGS employees Beau Griffith (left) and Becky Welly (right) hold a telemetered pallid sturgeon they recaptured in a trammel net. The wooden object with 2 white buoys to the right of Welly is call a "Buck" or a "Mule" and is used to pull the end of the net along in the current.
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Recaptured Pallid
USGS employees Beau Griffith (left) and Becky Welly (right) hold a telemetered pallid sturgeon they recaptured in a trammel net. The wooden object with 2 white buoys to the right of Welly is call a "Buck" or a "Mule" and is used to pull the end of the net along in the current.
Animal Isolation Room
USGS microbiology technician Brenda Berlowski enters an animal isolation room.
USGS microbiology technician Brenda Berlowski enters an animal isolation room.
Prairie Dog
A prairie dog stands on alert. The USGS National Wildlife Health Center works to identify, track, and prevent wildlife disease. Better protection of prairie dogs against plague would minimize the risk of disease transfer to endangered black-footed ferrets, aid in prairie dog conservation, and protect public health.
A prairie dog stands on alert. The USGS National Wildlife Health Center works to identify, track, and prevent wildlife disease. Better protection of prairie dogs against plague would minimize the risk of disease transfer to endangered black-footed ferrets, aid in prairie dog conservation, and protect public health.
Ranch in the Green River Valley, Wyoming
A section of the Upper Green River Valley in western Wyoming, just south of Yellowstone and Grand Teton National Parks, showing different ecosystems (such as forests, wetlands, and aquatic habitats) whose capacities for carbon storage and reduction of greenhouse gas emissions will be assessed by the USGS.
A section of the Upper Green River Valley in western Wyoming, just south of Yellowstone and Grand Teton National Parks, showing different ecosystems (such as forests, wetlands, and aquatic habitats) whose capacities for carbon storage and reduction of greenhouse gas emissions will be assessed by the USGS.
High-resolution Sidescan Sonar Towfish
Mikhail Malin, visiting IBIW scientist, prepares to deploy a high-resolution sidescan sonar towfish below Bagnell Dam on the Osage River. The CERC and IBIW collaborated with the Missouri Cooperative Fish and Wildlife Research Unit at the University of Missouri to assess the distribution of paddlefish below the dam using telemetry, sidescan sonar, and DIDSON.
Mikhail Malin, visiting IBIW scientist, prepares to deploy a high-resolution sidescan sonar towfish below Bagnell Dam on the Osage River. The CERC and IBIW collaborated with the Missouri Cooperative Fish and Wildlife Research Unit at the University of Missouri to assess the distribution of paddlefish below the dam using telemetry, sidescan sonar, and DIDSON.
Pallid Sturgeon in Holding Tank
Nine-year-old pallid sturgeon wait in holding tanks for their turn to be evaluated by biologists at CERC. More than 100 pallid sturgeon made the trip from Gavins Point National Fish Hatchery to Columbia on a snowy December day.
Nine-year-old pallid sturgeon wait in holding tanks for their turn to be evaluated by biologists at CERC. More than 100 pallid sturgeon made the trip from Gavins Point National Fish Hatchery to Columbia on a snowy December day.
Dr. Sasha Reed
Dr. Sasha Reed, research ecologist with the USGS, was one of 94 recipients of the 2011 PECASE award.
Dr. Sasha Reed, research ecologist with the USGS, was one of 94 recipients of the 2011 PECASE award.
Golden Gate Bridge, California
The Golden Gate Bridge seen through Racoon Strait in the San Francisco Bay, California.
The Golden Gate Bridge seen through Racoon Strait in the San Francisco Bay, California.
Creosote Bush Shrubland in the Sonoran Desert
Creosote bush shrublands are one of the driest Sonoran Desert plant communities; the creosote bush and white ratany are the dominant plants; a USGS study showed that their coverage is likely to decrease with forecasted climate change because of less winter precipitation and more aridity.
Creosote bush shrublands are one of the driest Sonoran Desert plant communities; the creosote bush and white ratany are the dominant plants; a USGS study showed that their coverage is likely to decrease with forecasted climate change because of less winter precipitation and more aridity.
Geyser Valley, Olympic National Park
Picture of Geyser Valley in Olympic National Park in Northwest Washington.
Picture of Geyser Valley in Olympic National Park in Northwest Washington.
Seal Necropsy
Katie Pugliares and Michael O'Neil with the New England Aquarium preparing a harbor seal carcass for necropsy.
Katie Pugliares and Michael O'Neil with the New England Aquarium preparing a harbor seal carcass for necropsy.
Dead Harbor Seal
Dead harbor seal found in New England in 2011.
Dead harbor seal found in New England in 2011.
Florida Panther
Florida panther rests in it's Southwest Florida habitat.
Florida panther rests in it's Southwest Florida habitat.
Slim Snaggletooth Snail (Gastrocopta pellucida)
Gastrocopta pellucida shell viewed with a scanning electron microscope with a zoom-in of the aperture.
Gastrocopta pellucida shell viewed with a scanning electron microscope with a zoom-in of the aperture.
Median Striate Snail (Striatura meridionalis)
Striatura meridionalis shell viewed with a scanning electron microscope with aperture facing up.
Striatura meridionalis shell viewed with a scanning electron microscope with aperture facing up.
Miradiscops opal
Miradiscops opal shell viewed with a scanning electron microscope with aperture facing up.
Miradiscops opal shell viewed with a scanning electron microscope with aperture facing up.
Yam Babybody Snail (Pupisoma dioscoricola)
Pupisoma dioscoricola shell viewed with a scanning electron microscope.
Pupisoma dioscoricola shell viewed with a scanning electron microscope.
Ribbed Pinwheel Snail (Radiodiscus millecostatus)
Radiodiscus millecostatus shell viewed with a scanning electron microscope.
Radiodiscus millecostatus shell viewed with a scanning electron microscope.
Radio Transmitter on Shortnose Sturgeon
External placement of radio transmitters on shortnose sturgeon in the Connecticut River.
External placement of radio transmitters on shortnose sturgeon in the Connecticut River.
Mallard (Anas platyrhynchos)
Removal of esophageal contents from a 2-week old mallard duckling.
Removal of esophageal contents from a 2-week old mallard duckling.
Lethal Injection of a Mallard Duckling
Graduate student Christiane Roy taking a mallard duckling by lethal injection.
Graduate student Christiane Roy taking a mallard duckling by lethal injection.