4,010 Free Images of Threatening

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

Close up of sutured surgery site on abdomen of lake sturgeon-2

Anglers with their fresh catch

Couple releases salmon

Pallid Sturgeon-1

Researchers track the movement of endangered Gray bats-2

African Golden Cat

african animals animals

Juvenile pallid sturgeon yearling

conservation fish

Fishing together-2

Wolf pup peeks its head out of the grass

Fishing together on the Columbia River

Red wolf on refuge-2

wildlife animals

Fish tank being lifted by helicopter

Black-footed Ferret-1

wildlife mammals

Pagosa skyrocket flowers-1

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

partnership new mexico

Eastern small-footed bat-1

Captive Devils Hole pupfish-1

Flying Earwig Hawaiian Damselfly

animals insects

Biologists search for Fountain Darter-1

Northern Aplomado Falcon-1

USFWS biologist nets fountain darters in the San Marcos River

Juvenile atlantic salmon

Spring-loving centaury-1

Captive Devils Hole pupfish-4

Ash Meadows Amargosa pupfish-1

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

partnership new mexico

Measuring a young bog turtle in a western north carolina bog

reptiles science

Piping plover chick-3

Delmarva Peninsula fox squirrel-6

wildlife animals

Pallid Sturgeon-1

underwater fish

Biologists tag a hellbender

north carolina amphibian

Biologist shows length of Gulf sturgeon in river

PIT tags for Gila trout

new mexico fish

Biologists in boat net Gulf sturgeon in river-1

Ash Meadows Amargosa pupfish-2

Black wolf pup

animals wyoming

Biologists show length of a Gulf sturgeon in river

Captive Devils Hole pupfish-2

Ash Meadows Amargosa pupfish-1

Wyoming toad-1

Biologist shows side view of Gulf sturgeon in river

Display at National Conservation Training Center-1

Juvenile pallid sturgeon -1

conservation fish

Juvenile pallid sturgeon -3

conservation fish

Hatchling Gopher tortoise feeding-3

reptiles animals

Ash Meadows Amargosa pupfish-1

Green pitcher plant with flower

Netting Gulf sturgeon in river

Captive Devils Hole pupfish

Female Hawaii ‘Ākepa

Biologists in boat net Gulf sturgeon in river-1

Biologists show length of Gulf sturgeon in river

Biologists in boat net Gulf sturgeon in river-1

Endangered Braunton's milk-vetch

Researchers track the movement of endangered Gray bats-1

‘Alae ‘Ula (Hawaiian Moorehen)-2

Black-footed Ferret-1

wildlife animals

Biologists in boat net Gulf sturgeon in river-5

Biologists in boat study Gulf sturgeon in river-1

Pair of Wood storks

Wyoming toad-1

amphibian animals

Antioch Dunes Evening Primrose

Wyoming toad-1

amphibian animals

Wyoming toads-2

amphibian animals

Biologists show length of Gulf sturgeon in river-1

Bull trout-1

Ash Meadows Amargosa pupfish-1

Captive Devils Hole pupfish-4

Northern Aplomado Falcon-1

birds of prey bird

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

partnership new mexico

Hatchling Gopher tortoise feeding-7

reptiles animals

Biologists search for Fountain Darter-3

Anglers fish near a town

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

partnership new mexico

Biologists in boat net Gulf sturgeon in river-3

Myrtle's Silverspot butterfly

Red Knot banding

Biologist stocks Gila trout in Mineral Creek

Black-footed Ferret-2

wildlife animals

Chinook salmon-5

Fishing the Columbia River

Young couple fishing-1

Releasing a Fall Chinook salmon

Biologists in boat study Gulf sturgeon in river-1

Taylor's Checkerspot butterfly

butterfly nature

Miami Blue Butterfly

animals insects

Wolf collaring-1

Green Sea Turtle hatchling-2

reptiles animals

Pitcher's thistle

Pallid sturgeon-1

Biologists release a Gulf sturgeon in river-1

Pallid Sturgeon-1

Black-footed Ferret

wildlife animals

Delmarva Peninsula fox squirrel-6

wildlife animals

Ash Meadows Amargosa pupfish-1

Mississippi Sandhill Crane-4

Biologist transfers adult Gila trout to buckets for distribution-3

partnership new mexico

Hine's emerald dragonfly larvae in shallow water-2

Anglers release a salmon-3

recreational fish

The Pacific Hawaiian Damselfly

arthropod animals

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