3,856 Free Photos of Threatening

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

Wyoming toads-2

amphibian animals

Piping plover chick-3

Netting Gulf sturgeon in river

Delmarva Peninsula fox squirrel-6

wildlife animals

Wyoming toad-1

amphibian animals

Juvenile pallid sturgeon -2

conservation fish

‘Alae ‘Ula (Hawaiian Moorehen)-2

Captive Devils Hole pupfish-4

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

partnership new mexico

Capative propagation of the purple bankclimber mussel-1

Biologists show length of Gulf sturgeon in river-1

Bull trout-1

Captive Devils Hole pupfish-4

Cryogenic tanks for Pallid sturgeon sperm-2

Captive Devils Hole pupfish-1

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

partnership new mexico

Vahl's Boxwood

Black-footed Ferret-2

wildlife mammals

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

partnership new mexico

Anglers on the Columbia River

Wolf collaring-1

Hatchling Gopher tortoise feeding-2

reptiles animals

Antioch Dunes Evening Primrose

Fishing the Columbia River

Display at National Conservation Training Center-1

Devils Hole Pupfish in captivity-2

Ash Meadows Amargosa pupfish-1

Juvenile pallid sturgeon -3

conservation fish

Wyoming toad-1

amphibian animals

Ash Meadows Amargosa pupfish-2

Young couple fishing-1

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

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

Captive Devils Hole pupfish-4

Biologist shows side view of Gulf sturgeon in river

Juvenile yearling pallid sturgeon

conservation fish

Red wolf-1

wildlife animals

Volunteer holding a sub-adult humpback chub

Biologists in boat net Gulf sturgeon in river-1

Black-footed Ferret-2

wildlife animals

Dwarf Lake iris

Rafinesque's big-eared bat-3

Closeup of a collared lynx

wildlife animals

Biologists show length of Gulf sturgeon in river-3

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

Biologists show length of Gulf sturgeon in river-2

Fisherman on the Columbia River shore

Ash Meadows Speckled Dace-2

Santa Monica Mountains dudleya

Wyoming toad-2

Biologists show length of Gulf sturgeon in river-2

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

Biologists show length of Gulf sturgeon in river-4

Biologists tagging Delmarva Peninsula fox squirrels

education mammals

Biologist stocks Gila trout into Mineral Creek-1

Wading fisherman

Kendall Warm Springs dace-1

Biologist shows front view of Gulf sturgeon in river-1

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

Dudley Bluffs twinpod flowers and ant

Researchers track the movement of endangered Gray bats-1

Biologists feed a protein and sugar mixture to each captured bird

Biologists search for Fountain Darter-1

Ash Meadows Amargosa pupfish-1

Biologists show length of Gulf sturgeon in river-1

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

Pallid sturgeon fry

Captive Devils Hole pupfish-2

Mountain yellow-legged frog-1

amphibian animals

Caribbean roseate terns-2

Fish tank being lifted by helicopter

Female lynx looks around

Biologist shows front view of Gulf sturgeon in river-3

Red wolf on refuge-6

Anglers on the Columbia River shoreline

Candy darter-6

Two year old pallid sturgeon

conservation fish

Laysan duck

Chucky Madtom

Biologist shows side view of a Gulf sturgeon in river

Gila Trout Transport-1

military aircraft

Juvenile pallid sturgeon yearling-2

conservation fish

Hatchling Gopher tortoise basking on rye grass

reptiles animals

Dip netting a salmon in the Klickitat River-4

1401 - 1500 of 3,856 Next page

/ 39