Bottom view of Chanomphalus pilsbryi shell viewed with a scanning electron microscope.
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Chanomphalus pilsbryi
Bottom view of Chanomphalus pilsbryi shell viewed with a scanning electron microscope.
Glittering-bellied Emerald (Chlorostilbon aureoventris)
Glittering-bellied Emerald (Chlorostilbon aureoventris)A male perched on a pitcher
Geologic Studies on Sitkinak Island, Alaska
Geologists driving a core into marsh sediment to document interbedded peat and silt that records sudden vertical land movements associated with megathrust fault slip during large earthquakes.
Geologists driving a core into marsh sediment to document interbedded peat and silt that records sudden vertical land movements associated with megathrust fault slip during large earthquakes.
Boxelder Bugs Gather on the Leaves of Hosta
Nymph stage box elder bugs gather on the leaves of a hosta plant.
Nymph stage box elder bugs gather on the leaves of a hosta plant.
Marsh Ball
Dr. Thomas C. Michot, National Wetlands Research Center, stands atop a "marsh ball," a piece of fragmented marsh from Hurricane Andrew.
Dr. Thomas C. Michot, National Wetlands Research Center, stands atop a "marsh ball," a piece of fragmented marsh from Hurricane Andrew.
Tagging Stems in Nutria Exclosures
National Wetlands Research Center biologists leave their airboats to tag stems in nutria exclosures in a Louisiana wetlands.
National Wetlands Research Center biologists leave their airboats to tag stems in nutria exclosures in a Louisiana wetlands.
Studying Louisiana Marshland
Dr. Lee Foote, National Wetlands Research Center, studies a Louisiana marshland.
Dr. Lee Foote, National Wetlands Research Center, studies a Louisiana marshland.
Examing a Pelican During a Disease Outbreak
Dr. Kimberli Miller and Minnesota Sate Biologist Joe Marcino (right) examining a pelican during Newcastle disease outbreak.
Dr. Kimberli Miller and Minnesota Sate Biologist Joe Marcino (right) examining a pelican during Newcastle disease outbreak.
Examining Trumpeter Swan (Cygnus buccinator)
Wildlife disease specialist Ronald Windingstad examines a trumpeter swan during an outbreak of histomoniasis.
Wildlife disease specialist Ronald Windingstad examines a trumpeter swan during an outbreak of histomoniasis.
Biologists Search Transects in a Brand Colony
Biologists search transects in a brand colony to verify detection of nests in video images collected previously.
Biologists search transects in a brand colony to verify detection of nests in video images collected previously.
American snout feeds on Shrubby boneset
American snout feeds on shrubby boneset bush flowers.
American snout feeds on shrubby boneset bush flowers.
Goats Foraging
Goats forage in an Argan tree.
Goats forage in an Argan tree.
Snow Geese (Chen caerulescens)
Snow geese captured on Wrangel Island, Russia in July of 1991 and 1992. The project involved using satellite transmitters to track the migration of the geese.
Snow geese captured on Wrangel Island, Russia in July of 1991 and 1992. The project involved using satellite transmitters to track the migration of the geese.
Trawling for Fish
The R/V Grayling trawls for fish in Lake Huron. The Center maintains five fessels, one on each of the Great Lakes, for fish stock assessment.
The R/V Grayling trawls for fish in Lake Huron. The Center maintains five fessels, one on each of the Great Lakes, for fish stock assessment.
Placing a Fyke Net in Wetland Vegetation
Glen Black of GLSC and Angela Wahlquist of Northland College places fyke net in wetland vegetation in Fish Creek Slough of Lake Superior near Ashland, Wisconsin, as part of a study of bioindicators of wetland degradation in the Great Lakes. This study is funded by the U.S.
Glen Black of GLSC and Angela Wahlquist of Northland College places fyke net in wetland vegetation in Fish Creek Slough of Lake Superior near Ashland, Wisconsin, as part of a study of bioindicators of wetland degradation in the Great Lakes. This study is funded by the U.S.
Removing Fish From a Holding Tank
Dr. Jacqueline Savino, fishery biologist, and Gentry Yearout, volunteer, remove fish for research from a tank in the fish holding room at the Great Lakes Science Center.
Dr. Jacqueline Savino, fishery biologist, and Gentry Yearout, volunteer, remove fish for research from a tank in the fish holding room at the Great Lakes Science Center.
Hell Creek
The Hell Creek and underlying Fox Hills Formations are present at the land surface along the margins of the Williston Basin, but otherwise are the deepest bedrock aquifers that are commonly used in the basin.
The Hell Creek and underlying Fox Hills Formations are present at the land surface along the margins of the Williston Basin, but otherwise are the deepest bedrock aquifers that are commonly used in the basin.
A Mule Deer Released After Being Radio-Collared
Here is a study deer after capture and being radio-collared. The tracking information from this collar will enable researchers and managers to track the migrations of mule deer and evaluate their habitat and population performance and will aid in management of mule deer populations in Wyoming.
Here is a study deer after capture and being radio-collared. The tracking information from this collar will enable researchers and managers to track the migrations of mule deer and evaluate their habitat and population performance and will aid in management of mule deer populations in Wyoming.
Hatched Embryo (Larvae) of Pallid Sturgeon
A hatched embryo of a pallid sturgeon.
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.
Salmon River, Shoup, Idaho
Middle fork of the Salmon River near Shoup, Idaho.
Middle fork of the Salmon River near Shoup, Idaho.