The Long-billed Curlew (Numenius americanus) is the largest North American shorebird and is characterized by its long and decurved bill.
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Long-Billed Curlews
The Long-billed Curlew (Numenius americanus) is the largest North American shorebird and is characterized by its long and decurved bill.
An Endangered Devils Hole Pupfish
A Devils Hole pupfish swims above the algae mat that typically covers the shallow spawning shelf in Devils Hole.
A Devils Hole pupfish swims above the algae mat that typically covers the shallow spawning shelf in Devils Hole.
USGS Researcher Monitoring Endangered Pupfish
USGS Cooperative Research Unit graduate student Ambre Chaudoin monitors pupfish spawning behavior in Devils Hole, the only habitat for endangered Devils Hole pupfish.The USGS cameras that captured effects of an earthquake on Devils Hole can be seen in this picture.
USGS Cooperative Research Unit graduate student Ambre Chaudoin monitors pupfish spawning behavior in Devils Hole, the only habitat for endangered Devils Hole pupfish.The USGS cameras that captured effects of an earthquake on Devils Hole can be seen in this picture.
New Map Turtle in Louisiana and Mississippi
USGS researchers discovered a new species of turtle. The Pearl River map turtle makes its home in the Pearl River of Louisiana and Mississippi.
USGS researchers discovered a new species of turtle. The Pearl River map turtle makes its home in the Pearl River of Louisiana and Mississippi.
Turtle
Turtle in Shenandoah National Park.
Clipping a Baited Hook
Hooks baited with worms are clipped to trotlines in an effort to catch pallid sturgeon in the Lower Missouri River.
Hooks baited with worms are clipped to trotlines in an effort to catch pallid sturgeon in the Lower Missouri River.
Bluff in Spring
Red Buds blooming along the banks of the Missouri River in April 2011.
Red Buds blooming along the banks of the Missouri River in April 2011.
Incision in reproductive female pallid sturgeon
Upon making an incision in PLS11-008 in which to implant a telemetry transmitter, black eggs pushed to the surface. A few of the eggs were collected for analysis on how close she is to spawning.
Upon making an incision in PLS11-008 in which to implant a telemetry transmitter, black eggs pushed to the surface. A few of the eggs were collected for analysis on how close she is to spawning.
Viewing Imagery
Researchers are viewing imagery obtained via the underwater microscope.
Researchers are viewing imagery obtained via the underwater microscope.
Pallid Sturgeon Release
Biologists with the Nebraska Game and Parks Commission release a 3 kilogram non-reproductive male pallid sturgeon.
Biologists with the Nebraska Game and Parks Commission release a 3 kilogram non-reproductive male pallid sturgeon.
Rock Inlet Structure at top of Lisbon Chute
Lisbon Chute is a side channel to the Missouri River between Glasgow and Arrow Rock, Missouri, on the Big Muddy National Wildlife Refuge. It currently has a rock inlet structure (pictured) which controls the amount of water that flows into it from the main channel of the Missouri River.
Lisbon Chute is a side channel to the Missouri River between Glasgow and Arrow Rock, Missouri, on the Big Muddy National Wildlife Refuge. It currently has a rock inlet structure (pictured) which controls the amount of water that flows into it from the main channel of the Missouri River.
Tandem tracking
Biologist Sabrina Davenport tandem tracks the Lower Missouri River during high water on June 2, 2011. Two boats (note boat out window) tracking in tandem can detect fish effectively across a wider river and can turn to search behind wing dikes and sandbars where sturgeon can hide during higher flows.
Biologist Sabrina Davenport tandem tracks the Lower Missouri River during high water on June 2, 2011. Two boats (note boat out window) tracking in tandem can detect fish effectively across a wider river and can turn to search behind wing dikes and sandbars where sturgeon can hide during higher flows.
Measuring in the Everglades
While performing a Flowtracker measurement off of a bridge, a curious gator comes to investigate.
While performing a Flowtracker measurement off of a bridge, a curious gator comes to investigate.
Morafka's Desert Tortoise
A Morafka's desert tortoise in Saguaro National Park, with radio transmitter attached to its shell as part of a USGS study.
A Morafka's desert tortoise in Saguaro National Park, with radio transmitter attached to its shell as part of a USGS study.
Butterfly
Side shot of butterfly on a flower.
Side shot of butterfly on a flower.
Goose on the Lake
Migrating geese stop at local ecosystem.
Migrating geese stop at local ecosystem.
Ducks of the Lake
Local ducks playing at home in the park.
Local ducks playing at home in the park.
Pacific Lamprey
Pacific Lamprey mouth suckers adhered to the glass at Bonneville Dam fish viewing window.
The native Pacific Lamprey uses the fish ladder at Bonneville Dam. This species plays a significant role in the foodweb and in Tribal "first foods".--cultural.
Pacific Lamprey mouth suckers adhered to the glass at Bonneville Dam fish viewing window.
The native Pacific Lamprey uses the fish ladder at Bonneville Dam. This species plays a significant role in the foodweb and in Tribal "first foods".--cultural.
Deployment
Trammel net deployment on the Missouri River. The wooden object with 2 white buoys in the river is called a "Buck" or a "Mule" and is used to pull the end of the net along in the current.
Trammel net deployment on the Missouri River. The wooden object with 2 white buoys in the river is called a "Buck" or a "Mule" and is used to pull the end of the net along in the current.
Juvenile Lake Sturgeon
Juvenile lake sturgeon propagated at the Columbia Environmental Research Center.
Juvenile lake sturgeon propagated at the Columbia Environmental Research Center.