Muskox feeding on grass in captivity.
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.
Muskox feeding on grass in captivity.
Muskox lying in the grass in captivity.
Muskox lying in the grass in captivity.
Two muskox lying on the ground in captivity.
Two muskox lying on the ground in captivity.
Muskox feeding on grass in captivity.
Muskox feeding on grass in captivity.
Muskox lying on the ground in captivity.
Muskox lying on the ground in captivity.
Muskox lying on the ground in captivity.
Muskox lying on the ground in captivity.
Muskox feeding on grass in captivity.
Muskox feeding on grass in captivity.
Bison being breed in captivity for the purpose of reintroduction into wilderness.
Bison being breed in captivity for the purpose of reintroduction into wilderness.
U.S. Geological Survey (USGS) scientist Dr. Diann J. Prosser examining a ruddy shelduck in China. Dr. Diann J. Prosser was awarded the Presidential Early Career Awards for Scientists and Engineers (PECASE).
U.S. Geological Survey (USGS) scientist Dr. Diann J. Prosser examining a ruddy shelduck in China. Dr. Diann J. Prosser was awarded the Presidential Early Career Awards for Scientists and Engineers (PECASE).
![Drilling a 940 foot deep test well near White Sulphur Springs, Montana](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/Photo%204.%20Drilling%20940%20ft%20test%20well%20near%20White%20Sulphur%20Springs.jpg?itok=gbyZ-phe)
Drilling a 940 foot deep test well near White Sulphur Springs, Montana
Drilling a 940 foot deep test well near White Sulphur Springs, Montana
An endangered Alabama sturgeon from the Mobile River.
An endangered Alabama sturgeon from the Mobile River.
An endangered Alabama sturgeon from the Mobile River.
An endangered Alabama sturgeon from the Mobile River.
Aquatic plants typical of still waters, ponds, and shallow wetlands: duckweeds, water lettuce, and watermoss.
Aquatic plants typical of still waters, ponds, and shallow wetlands: duckweeds, water lettuce, and watermoss.
An endangered holiday darter (Amicalola population). Darters are among the most threatened Southeastern fish; they have been likened to aquatic canaries.
An endangered holiday darter (Amicalola population). Darters are among the most threatened Southeastern fish; they have been likened to aquatic canaries.
An endangered holiday darter (Amicalola population). Darters are among the most threatened Southeastern fish; they have been likened to aquatic canaries.
An endangered holiday darter (Amicalola population). Darters are among the most threatened Southeastern fish; they have been likened to aquatic canaries.
A threatened sicklefin redhorse from the Tennessee River.
A threatened sicklefin redhorse from the Tennessee River.
A threatened sicklefin redhorse from the Tennessee River.
A threatened sicklefin redhorse from the Tennessee River.
A threatened Waccamaw killifish from the Southeastern Atlantic Slope.
A threatened Waccamaw killifish from the Southeastern Atlantic Slope.
A threatened Waccamaw killifish from the Southeastern Atlantic Slope.
A threatened Waccamaw killifish from the Southeastern Atlantic Slope.
Bar-tailed Godwits - photo taken on mudflats near Cape Avinof, Alaska, while doing avian influenza sampling.
Bar-tailed Godwits - photo taken on mudflats near Cape Avinof, Alaska, while doing avian influenza sampling.
![Bar-tailed Godwits on mudflats near Cape Avinof, Alaska](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/masonry/public/thumbnails/image/Ruthrauff_godwitsCapeAvinof_2008c.jpg?itok=1JrGpmX_)
Bar-tailed Godwits - photo taken on mudflats near Cape Avinof, Alaska, while doing avian influenza sampling.
Bar-tailed Godwits - photo taken on mudflats near Cape Avinof, Alaska, while doing avian influenza sampling.