Collecting a DNA sample from a native freshwater mussel's muscular foot.
Images
Explore our planet through photography and imagery, including climate change and water all the way back to the 1800s when the USGS was surveying the country by horse and buggy.
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Collecting a DNA Sample
Collecting a DNA sample from a native freshwater mussel's muscular foot.
Thomson Prairie Field Trip
The Wisconsin Cooperative Wildlife Research Unit (WCWRU) graduate student, Megan Jones, explains the ecology of small mammals at Thomson Prairie as part of a class field trip organized by WCWRU for the University of Wisconsin Grassland Ecology Class.
The Wisconsin Cooperative Wildlife Research Unit (WCWRU) graduate student, Megan Jones, explains the ecology of small mammals at Thomson Prairie as part of a class field trip organized by WCWRU for the University of Wisconsin Grassland Ecology Class.
Pacific brant feeding on eelgrass beds in Izembek Lagoon, Alaska
Pacific brant feeding on submerged eelgrass at Grant Point, Izembek Lagoon, Alaska.
Pacific brant feeding on submerged eelgrass at Grant Point, Izembek Lagoon, Alaska.
Monarch Caterpillar or Larva and Droppings
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
Monarch Caterpillar or Larva and Droppings
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
An approximately 2 inch long monarch butterfly caterpillar or larva grazes on the leaves of a butterfly weed in a northern Virginia garden. The dark lumps on the leaves around the caterpillar are its droppings or feces.
Manatee Spring Run
View of the Spring Run near the gage, downstream of the main vent.
View of the Spring Run near the gage, downstream of the main vent.
Sea Turtle Hatchling Tracks in Sand
Two sets of tracks left by tiny sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Two sets of tracks left by tiny sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Sea Turtle Hatchling Tracks in Sand
A set of tracks left by tiny sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
A set of tracks left by tiny sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Sea Turtle Hatchling Tracks in Sand
Multiple sets of tracks left by numerous sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Multiple sets of tracks left by numerous sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Sea Turtle Hatchling Tracks in Sand
Two sets of tracks left by tiny sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Two sets of tracks left by tiny sea turtle hatchlings when they emerged from their nests and crawled toward the sea during the night.
Sonobuoy reciever launch
Launching a sonobuoy receiver off the end of CCGS Louis S. St-Laurent
Launching a sonobuoy receiver off the end of CCGS Louis S. St-Laurent
Spawing sockeye salmon in a Matanuska River side channel, Alaska
A spawining sockeye salmon with it's back out of the water in a side channel of the Matanuska River.
A spawining sockeye salmon with it's back out of the water in a side channel of the Matanuska River.
Researchers at a saline soil bare patch, Medicine Lake NWR
Researchers stand at the edge of a saline soil bare patch, Medicine Lake NWR.
Researchers stand at the edge of a saline soil bare patch, Medicine Lake NWR.
Researchers stand in saline soil, Medicine Lake NWR
Researchers stand in saline soil, Medicine Lake NWR.
Researchers stand in saline soil, Medicine Lake NWR.
Stalking Heron
White Heron stalking through the Wetlands in Ironia New Jersey
White Heron stalking through the Wetlands in Ironia New Jersey
White Heron in the Wetlands
White heron wading in the wetlands in Ironia, New Jersey
White heron wading in the wetlands in Ironia, New Jersey
Researchers at Medicine Lake National Wildlife Refuge (MLNWR)
Researchers at Medicine Lake National Wildlife Refuge (MLNWR)
Researchers at Medicine Lake National Wildlife Refuge (MLNWR)
Atlantic Ocean Sunrise
Subtropical Atlantic Ocean sunrise with the dark clouds of a distant offshore thunderstorm.
Subtropical Atlantic Ocean sunrise with the dark clouds of a distant offshore thunderstorm.
Atlantic Ocean Sunrise
Subtropical Atlantic Ocean sunrise with the dark clouds of a distant offshore thunderstorm.
Subtropical Atlantic Ocean sunrise with the dark clouds of a distant offshore thunderstorm.
Red Morning Sunrise
Red morning sunrise on the Atlantic Ocean as seen from a barrier island.
Red morning sunrise on the Atlantic Ocean as seen from a barrier island.
Research Excavation of Loggerhead Sea Turtle Nest
Research excavation of a loggerhead sea turtle nest (Caretta caretta) on a sandy Florida beach. The excavation is part of a county research program that keeps track of the number of nests (by species) - mostly loggerhead, a few greens, and an occasional leatherback.
Research excavation of a loggerhead sea turtle nest (Caretta caretta) on a sandy Florida beach. The excavation is part of a county research program that keeps track of the number of nests (by species) - mostly loggerhead, a few greens, and an occasional leatherback.