Skip to main content
U.S. flag

An official website of the United States government

Images

See our science through the images below.

Filter Total Items: 3543
Image: Muskox (Ovibus moschatus)
Muskox (Ovibus moschatus)
Muskox (Ovibus moschatus)
Muskox (Ovibus moschatus)

Muskox feeding on grass in captivity.

Image: Muskox (Ovibus moschatus)
Muskox (Ovibus moschatus)
Muskox (Ovibus moschatus)
Muskox (Ovibus moschatus)

Muskox feeding on grass in captivity.

Image: Muskox (Ovibus moschatus)
Muskox (Ovibus moschatus)
Muskox (Ovibus moschatus)
Muskox (Ovibus moschatus)

Muskox lying on the ground in captivity.

Image: Elk (Cervus elaphus)
Elk (Cervus elaphus)
Elk (Cervus elaphus)
Elk (Cervus elaphus)

Male elk in front of a female elk lying in the grass.

Male elk in front of a female elk lying in the grass.

Image: Bear in Captivity With Bird
Bear in Captivity With Bird
Bear in Captivity With Bird
Image: Sicklefin Redhorse
Sicklefin Redhorse
Sicklefin Redhorse
Sicklefin Redhorse

A threatened sicklefin redhorse from the Tennessee River.

A threatened sicklefin redhorse from the Tennessee River.

Image: Alabama Sturgeon
Alabama Sturgeon
Alabama Sturgeon
Alabama Sturgeon

An endangered Alabama sturgeon from the Mobile River.

An endangered Alabama sturgeon from the Mobile River.

Image: Waccamaw Killifish
Waccamaw Killifish
Waccamaw Killifish
Waccamaw Killifish

A threatened Waccamaw killifish from the Southeastern Atlantic Slope.

A threatened Waccamaw killifish from the Southeastern Atlantic Slope.

Image: Waccamaw Killifish
Waccamaw Killifish
Waccamaw Killifish
Waccamaw Killifish

A threatened Waccamaw killifish from the Southeastern Atlantic Slope.

A threatened Waccamaw killifish from the Southeastern Atlantic Slope.

Image: Sicklefin Redhorse
Sicklefin Redhorse
Sicklefin Redhorse
Sicklefin Redhorse

A threatened sicklefin redhorse from the Tennessee River.

A threatened sicklefin redhorse from the Tennessee River.

Image: Endangered Holiday Darter
Endangered Holiday Darter
Endangered Holiday Darter
Endangered Holiday Darter

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.

Image: Alabama Sturgeon
Alabama Sturgeon
Alabama Sturgeon
Alabama Sturgeon

An endangered Alabama sturgeon from the Mobile River.

An endangered Alabama sturgeon from the Mobile River.

Image: Endangered Holiday Darter
Endangered Holiday Darter
Endangered Holiday Darter
Endangered Holiday Darter

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.

Image: Brown Bats in Cave
Brown Bats in Cave
Brown Bats in Cave
Brown Bats in Cave

Little brown bats in NY cave.

Image: Duckweeds, Water Lettuce, and Watermoss
Duckweeds, Water Lettuce, and Watermoss
Duckweeds, Water Lettuce, and Watermoss
Duckweeds, Water Lettuce, and Watermoss

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.

Image: Aerial of Beaver Creek, Alaska
Aerial of Beaver Creek, Alaska
Aerial of Beaver Creek, Alaska
Aerial of Beaver Creek, Alaska

Aquatic ecosystems make a difference in the carbon cycle. The location in this photo is located near Beaver, Alaska approximately 100 miles north of Fairbanks.

Aquatic ecosystems make a difference in the carbon cycle. The location in this photo is located near Beaver, Alaska approximately 100 miles north of Fairbanks.

Image: Thomson Prairie Field Trip
Thomson Prairie Field Trip
Thomson Prairie Field Trip
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.

Image: Collecting a DNA Sample
Collecting a DNA Sample
Collecting a DNA Sample
Collecting a DNA Sample

Collecting a DNA sample from a native freshwater mussel's muscular foot.

Collecting a DNA sample from a native freshwater mussel's muscular foot.

Image: Sea Turtle Hatchling Tracks in Sand
Sea Turtle Hatchling Tracks in Sand
Sea Turtle Hatchling Tracks in Sand
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.

Image: Sea Turtle Hatchling Tracks in Sand
Sea Turtle Hatchling Tracks in Sand
Sea Turtle Hatchling Tracks in Sand
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.

Image: Sea Turtle Hatchling Tracks in Sand
Sea Turtle Hatchling Tracks in Sand
Sea Turtle Hatchling Tracks in Sand
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.

Was this page helpful?