4,178 Free Images of Threatening

endangered and/or threatened species biologists(usfws)fish water wildlife refuge work of the service boat recreational aquatic environment animals

Black-footed Ferrets in preconditioning pens

wildlife mammals

Eastern small-footed bat-1

Biologists dip net Gila trout out of tank into buckets-2

partnership new mexico

Colorado hookless Cactus-1

Biologists in boat net Gulf sturgeon in river-5

Biologists dip net Gila trout out of tank into buckets-5

partnership new mexico

Anglers catch and release

Captive Devils Hole pupfish-2

Eastern small-footed bat-2

Recreational fishing on the Columbia River

Piping plover chick-3

Netting Gulf sturgeon in river

Ash Meadows Amargosa pupfish-2

Juvenile yearling pallid sturgeon

conservation fish

Red wolf-1

wildlife animals

Volunteer holding a sub-adult humpback chub

Display at National Conservation Training Center-1

Devils Hole Pupfish in captivity-2

Fishing the Columbia River

Ash Meadows Amargosa pupfish-1

Juvenile pallid sturgeon -3

conservation fish

Wyoming toad-1

amphibian animals

Biologists dip net Gila trout out of tank into buckets-1

partnership new mexico

Biologist shows side view of Gulf sturgeon in river

Vahl's Boxwood

Biologists show length of Gulf sturgeon in river-1

Bull trout-1

Captive Devils Hole pupfish-4

Cryogenic tanks for Pallid sturgeon sperm-2

Dwarf Lake iris

Researchers track the movement of endangered Gray bats

Captive Devils Hole pupfish

Biologists show length of a Gulf sturgeon in river

Biologists show length of Gulf sturgeon in river

Black-footed Ferret-2

wildlife animals

Biologists in boat net Gulf sturgeon in river-1

Captive Devils Hole pupfish-4

Hatchling Gopher tortoise feeding-2

reptiles animals

Antioch Dunes Evening Primrose

Young couple fishing-1

Biologists dip net Gila trout out of tank into buckets-4

partnership new mexico

Capative propagation of the purple bankclimber mussel-1

Captive Devils Hole pupfish-1

Biologists dip net Gila trout out of tank into buckets-4

partnership new mexico

Biologist stocks Gila trout into Mineral Creek-4

Pallid Sturgeon-1

underwater fish

Condor habitat in mountainous Ventana Wilderness Area

Texas wild-rice-1

Chinook salmon-5

Black-footed Ferret-2

wildlife mammals

Anglers on the Columbia River

Wolf collaring-1

Ash Meadows Speckled Dace-2

Rafinesque's big-eared bat-3

Closeup of a collared lynx

wildlife animals

Biologists show length of Gulf sturgeon in river-4

Dudley Bluffs twinpod flowers and ant

Biologists tagging Delmarva Peninsula fox squirrels

education mammals

Santa Monica Mountains dudleya

Biologist shows front view of Gulf sturgeon in river-1

Wyoming toad-2

Biologists show length of Gulf sturgeon in river-2

Golden Paintbrush (CALE) found on Ebey's Bluff, located at the Robert Y. Pratt Preserve, Washington State

Karner blue butterfly on hawkweed

butterfly animals

Pallid Sturgeon-1

underwater fish

Sockeye salmon-1

Wolf pup peeks its head out of the grass

Ash Meadows Speckled Dace-2

Wading fisherman

Kendall Warm Springs dace-1

Biologist stocks Gila trout into Mineral Creek-1

Biologists show length of Gulf sturgeon in river-3

USFWS biologist nets fountain darters in the San Marcos River-7

Fisherman on the Columbia River shore

Biologists show length of Gulf sturgeon in river-2

Biologist shows front view of Gulf sturgeon in river-3

Red wolf on refuge-6

Recreational boating on the Columbia River

Pair of endangered Koloa Maoli

Biologists show length of Gulf sturgeon in river-1

Laysan Duck pair on Eastern Island on Midway Atoll

Fishing for salmon on the Columbia River

Display at National Conservation Training Center

Researchers track the movement of endangered Gray bats-1

Pallid sturgeon fry

Mountain yellow-legged frog-1

amphibian animals

Caribbean roseate terns-2

Fish tank being lifted by helicopter

Female lynx looks around

Biologists search for Fountain Darter-1

Ash Meadows Amargosa pupfish-1

Biologists show length of Gulf sturgeon in river-1

Biologists feed a protein and sugar mixture to each captured bird

Captive Devils Hole pupfish-2

Biologist shows side view of Gulf sturgeon in river-3

Young couple fishing

Biologists show length of Gulf sturgeon in river-1

Biologists show length of Gulf sturgeon in river-1

Biologists search for Fountain Darter-2

Red Knot banding-3

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