Catching fish to sample for genetic testing in Glacier National Park
Catching fish to sample for genetic testing in Glacier National ParkCatching fish to sample for genetic testing in Glacier National Park.
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Catching fish to sample for genetic testing in Glacier National Park
Catching fish to sample for genetic testing in Glacier National Park
Catching fish to sample for genetic testing in Glacier National ParkCatching fish to sample for genetic testing in Glacier National Park.
Coral, Orbicella annularis, in the Florida Keys
Scientists at the USGS St. Petersburg Coastal and Marine Science Center study coral reef ecosystems. This coral, Orbicella annularis, was photographed in the Florida Keys during field work on coral disease.
Scientists at the USGS St. Petersburg Coastal and Marine Science Center study coral reef ecosystems. This coral, Orbicella annularis, was photographed in the Florida Keys during field work on coral disease.
Low-density Waterfowl in California Wetlands
Waterfowl in California can spread the avian influenza virus (AIv) during summertime when wetland temperatures are warm and waterfowl densities are low.
Waterfowl in California can spread the avian influenza virus (AIv) during summertime when wetland temperatures are warm and waterfowl densities are low.
Low-density Waterfowl in California Wetlands
Waterfowl in California can spread the avian influenza virus (AIv) during summertime when wetland temperatures are warm and waterfowl densities are low.
Waterfowl in California can spread the avian influenza virus (AIv) during summertime when wetland temperatures are warm and waterfowl densities are low.
Canyonlands National Park
Aerial view of the study area in Canyonlands National Park.
Aerial view of the study area in Canyonlands National Park.
Forster's Tern Chick With Eggs
A Forster's tern chick with eggs near San Francisco Bay.
A Forster's tern chick with eggs near San Francisco Bay.
Forster's Tern Chick With Two Eggs
A Forster's tern chick next to eggs near San Francisco Bay.
A Forster's tern chick next to eggs near San Francisco Bay.
Forster's Tern Chick With Egg
A Forster's tern chick near an egg near San Francisco Bay.
A Forster's tern chick near an egg near San Francisco Bay.
Sampling Fish
Scientist sampling fish at Lake Mead.
Scientist sampling fish at Lake Mead.
WRP St. Landry Parish, Louisiana
Wetlands Reserve Program site in St. Landry Parish, Louisiana. Changes in a local river resulted in the landowner’s fields flooding on a regular basis. The landowner worked through the USDA Natural Resources Conservation Service to restore his fields to their natural wetland state.
Wetlands Reserve Program site in St. Landry Parish, Louisiana. Changes in a local river resulted in the landowner’s fields flooding on a regular basis. The landowner worked through the USDA Natural Resources Conservation Service to restore his fields to their natural wetland state.
Brewer's Sparrow Close Up
Side view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.
Side view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.
Brewer's Sparrow Wing
Brewer's sparrow (Spizella breweri) wing spread close up.
Brewer's sparrow (Spizella breweri) wing spread close up.
Brewer's Sparrow Back
Back view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.
Back view of Brewer's sparrow (Spizella breweri) in USGS field worker's hand.
Radio-Tagged Walrus
USGS scientists can follow radio-tagged walruses remotely as they move around the Arctic Basin.
USGS scientists can follow radio-tagged walruses remotely as they move around the Arctic Basin.
Walruses in Chukchi Sea
Walruses resting on an ice floe in the Chukchi sea.
Walruses resting on an ice floe in the Chukchi sea.
Walruses in Chukchi Sea
Walruses resting on an ice floe in the Chukchi sea.
Walruses resting on an ice floe in the Chukchi sea.
Brewer's Sparrow Nest
Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.
Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.
Brewer's Sparrow Nest
Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.
Two Brewer's sparrow (Spizella breweri) chicks and one egg in nest, Steens Mountain, SE Oregon.
Scientists in Chukchi Sea
Scientists travel to the Chukchi and Bering seas to radio-tag walruses.
Scientists travel to the Chukchi and Bering seas to radio-tag walruses.
Male King Eider
King Eiders are well adapted to the frigid climate of the Arctic. These birds feed on mollusks and can reach depths up to 150 meters when diving in the ocean.
King Eiders are well adapted to the frigid climate of the Arctic. These birds feed on mollusks and can reach depths up to 150 meters when diving in the ocean.
Aspen regeneration after stand-replacing fire
Aspen regeneration after stand-replacing fire in a seral aspen-conifer stand in the Jarbidge Mountains, Nevada
Aspen regeneration after stand-replacing fire in a seral aspen-conifer stand in the Jarbidge Mountains, Nevada