Rainstorm over Kauai mountains and Hanalei Bay at the North Shore of Kauai.
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Rainstorm
Rainstorm over Kauai mountains and Hanalei Bay at the North Shore of Kauai.
Tide Pools (Maui)
A classic marine tide pool environment among some of the black lava rocks found on the southern shore of Maui in the Hawaiian islands.
A classic marine tide pool environment among some of the black lava rocks found on the southern shore of Maui in the Hawaiian islands.
Tide Pools (Maui)
A classic marine tide pool environment among some of the black lava rocks found on the southern shore of Maui in the Hawaiian islands.
A classic marine tide pool environment among some of the black lava rocks found on the southern shore of Maui in the Hawaiian islands.
'Akiapōlā'au
Endangered Hawai'i forest bird, 'Akiapōlā‘au (Hemignathus munroi).
Endangered Hawai'i forest bird, 'Akiapōlā‘au (Hemignathus munroi).
Stringing Nets to Catch Mongooses
For a behavioral study of Crossarchus obscurus, the long-nosed cusimanse, in Tiwai Island Wildlife Sanctuary, Sierra Leone, West Africa, fishing nets were the most successful method of capturing an entire group of these mongooses, compared to baited live-traps and thatch fences (which channeled animals into live traps, and which were moderately successful).
For a behavioral study of Crossarchus obscurus, the long-nosed cusimanse, in Tiwai Island Wildlife Sanctuary, Sierra Leone, West Africa, fishing nets were the most successful method of capturing an entire group of these mongooses, compared to baited live-traps and thatch fences (which channeled animals into live traps, and which were moderately successful).
Euglena sanguinea Bloom
The red color is due to the abundance of this organism; the red is due to the presence of astaxanthin, a pigment in the cells.
The red color is due to the abundance of this organism; the red is due to the presence of astaxanthin, a pigment in the cells.
Aphanizomenon Flos-aquae Bloom
Aphanizomenon is a common bloom-forming cyanobacteria, AKA, blue-green algae. Many strains produce saxitoxin and cylindrospermopsin.
Aphanizomenon is a common bloom-forming cyanobacteria, AKA, blue-green algae. Many strains produce saxitoxin and cylindrospermopsin.
Red and Bonita Mine
Red and Bonita Mine located approximately .4 miles from the Gold King Mine.
Red and Bonita Mine located approximately .4 miles from the Gold King Mine.
Moose
Wyoming Cooperative Fish and Wildlife Research Unit - Laura Linn checking for ticks and Scott Becker calling helicopter during moose captures in the Buffalo Valley, Wyoming.
Wyoming Cooperative Fish and Wildlife Research Unit - Laura Linn checking for ticks and Scott Becker calling helicopter during moose captures in the Buffalo Valley, Wyoming.
Honey Bees Make Life Sweet
Honey bees live and work in highly collaborative, social colonies with a sole reproducing queen, and they make honey by storing nectar from flowering plants in their hives for use during food scarcities.
Honey bees live and work in highly collaborative, social colonies with a sole reproducing queen, and they make honey by storing nectar from flowering plants in their hives for use during food scarcities.
Lead Shot in the Fall Zone
Lead shot in the fall zone at the Broadkiln Sportsman's Club (quarter-coin for scale).
Lead shot in the fall zone at the Broadkiln Sportsman's Club (quarter-coin for scale).
Smallmouth Bass
A curious smallmouth bass following behind scuba divers in Sparkling Lake, Vilas County, Wis.
A curious smallmouth bass following behind scuba divers in Sparkling Lake, Vilas County, Wis.
Alligator and Python Struggle
An American alligator and a Burmese python locked in a struggle to prevail in Everglades National Park. This python appears to be losing, but snakes in similar situations have apparently escaped unharmed, and in other situations pythons have eaten alligators.
An American alligator and a Burmese python locked in a struggle to prevail in Everglades National Park. This python appears to be losing, but snakes in similar situations have apparently escaped unharmed, and in other situations pythons have eaten alligators.
Herpetology
A USGS herpetologist with a Sonora Mud Turtle (Kinosternon sonoriense; photo left) and Red-eared Slider (Trachemys scripta elegans;
photo right) at Montezuma Well, Montezuma Castle National Monument.
A USGS herpetologist with a Sonora Mud Turtle (Kinosternon sonoriense; photo left) and Red-eared Slider (Trachemys scripta elegans;
photo right) at Montezuma Well, Montezuma Castle National Monument.
El Yunque Peak
El Yunque Peak as seen across the Mameyes River valley. El Yunque National Forest, Puerto Rico.
El Yunque Peak as seen across the Mameyes River valley. El Yunque National Forest, Puerto Rico.
USGS Ecologist Carlton Rochester Handling a Rattlesnake
A screenshot from the USGS film "Living with Fire".
USGS Western Ecological Research Center ecologist Carlton Rochester handles a rattlesnake in San Diego County, Calif.
A screenshot from the USGS film "Living with Fire".
USGS Western Ecological Research Center ecologist Carlton Rochester handles a rattlesnake in San Diego County, Calif.
Loon Carcasses
NPS citizen scientist Eleanor Comings counts loon carcasses at Sleeping Bear Dunes National Lakeshore during a large botulism outbreak in October of 2012.
NPS citizen scientist Eleanor Comings counts loon carcasses at Sleeping Bear Dunes National Lakeshore during a large botulism outbreak in October of 2012.
USGS Scientist at Work
A USGS scientist operates an X-ray diffraction machine at the National Center in Reston, VA.
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A USGS scientist operates an X-ray diffraction machine at the National Center in Reston, VA.
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USGS Employee At Work
Steve Nagel collects data from a weather station in the Shenandoah National Park.
Steve Nagel collects data from a weather station in the Shenandoah National Park.
USGS Researcher Monitoring Endangered Pupfish
USGS Cooperative Research Unit graduate student Ambre Chaudoin monitors dissolved oxygen levels, pH, and temperature in endangered Devils Hole pupfish spawning habitat in Devils Hole.
USGS Cooperative Research Unit graduate student Ambre Chaudoin monitors dissolved oxygen levels, pH, and temperature in endangered Devils Hole pupfish spawning habitat in Devils Hole.
Endangered Devils Hole Pupfish
A group of Devils Hole pupfish forage along the edge of the shallow spawning shelf in Devils Hole.
A group of Devils Hole pupfish forage along the edge of the shallow spawning shelf in Devils Hole.