19,010 Free Images of Usfws

biologists(usfws)work of the service endangered and/or threatened species aquatic environment research equipment aquaculture wildlife refuge fish fish hatcheries

Eastern small-footed bat-1

Fish Nutritionist checks quality control of fish food-1

Biologist spawning trout-2

Biologists search for Fountain Darter-1

Biologist conducts a swim test on a large Rainbow trout

Marine Mammal Stranding Course at NCTC-2

Fish Nutritionist checks quality control of fish food-1

Marine Mammal Stranding Course at NCTC-2

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

partnership new mexico

Marine Mammal Stranding Course at NCTC-1

Fish Nutritionist checks quality control of fish food-1

Biologists spawning trout-2

Marine Mammal Stranding Course at NCTC-1

Biologists tag a hellbender

north carolina amphibian

Fish Nutritionist checks quality control of fish food-1

Biologist shows length of Gulf sturgeon in river

NCTC Monarch Coordinator getting monarch butterfly out of net-1

volunteer insects

Biologists in boat net Gulf sturgeon in river-1

Black wolf pup

animals wyoming

Biologists show length of a Gulf sturgeon in river

Marine Mammal Stranding Course at NCTC-1

Marine Mammal Stranding Course at NCTC-1

Wyoming toad-1

Biologist shows side view of Gulf sturgeon in river

Biologists loading trout-1

Hatchling Gopher tortoise feeding-3

reptiles animals

Marine Mammal Stranding Course at NCTC-2

Netting Gulf sturgeon in river

Biologists capture a Gulf sturgeon in river

Checking the mine wall for bats

Wyoming toad-1

reptiles colorado

Biologists search for Fountain Darter-4

Service employee behind a mist net

Hatchling Gopher tortoise

reptiles animals

Biologists walking at Gavins Point National Fish Hatchery

Biologists release a Gulf sturgeon in river

Marine Mammal Stranding Course at NCTC

Measuring the wingspan of an Indigo bunting

Aerial view of Selawik National Wildlife Regue-2

climate change alaska

Northern Long-Eared Bat-4

U.S. Fish and Wildlife Service Employee on Selawik National Wildlife Refuge

wildlife refuge alaska

Biologists measure each bird

Northern Long-Eared Bat-1

Biology fieldwork-5

Biologists search for Fountain Darter-1

Red Knot cannon netting-1

Biologist measures water velocity in a flume-3

Biologists search for Fountain Darter-3

Biologist stocks Gila trout in Mineral Creek-3

partnership new mexico

Long-Billed curlew ready for release

Biologist reattaches fish tank to helicopter cable-1

partnership new mexico

Red Knot cannon netting-3

Biologists search for Fountain Darter-1

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

Marine Mammal Stranding Course at NCTC-2

animals science

Aerial view of mountains-5

landscape grass

Marine Mammal Stranding Course at NCTC-1

Biologists in boat net Gulf sturgeon in river-5

Marine Mammal Stranding Course at NCTC-3

Biologists in boat study Gulf sturgeon in river-1

Biologists show length of Gulf sturgeon in river-1

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

partnership new mexico

Marine Mammal Stranding Course at NCTC-5

USFWS Fisheries crew in boat preparing for lake sturgeon field work-1

Inside Leadville National Fish Hatchery facility

Hatchling Gopher tortoise feeding-7

reptiles animals

Biologists search for Fountain Darter-3

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

partnership new mexico

Biologists in boat net Gulf sturgeon in river-3

Marine Mammal Stranding Course at NCTC-2

Red Knot banding

Biologist stocks Gila trout in Mineral Creek

Renaming ceremony for Noxubee National Wildlife Refuge

celebrities event

Fish Nutritionist checks quality control of fish food-1

Marine Mammal Stranding Course at NCTC-4

Marine Mammal Stranding Course at NCTC-1

Fish Nutritionist checks quality control of fish food-1

Biologists in boat study Gulf sturgeon in river-1

Santa Monica Mountains dudleya-4

Biologist setting up a new live trap to capture and collar lynx

transport winter

Banding a Laysan duck during translocation project

Rafinesque's big-eared bat-3

Biologists feed a protein and sugar mixture to each captured bird

Biologists show length of Gulf sturgeon in river-2

Preparing a small GPS satellite collar for the sedated lynx

mammals monitor

Biologist teaches children about the Monarch butterfly-2

Red Knot banding-3

Marine Mammal Stranding Course at NCTC-1

Biologist shows front view of Gulf sturgeon in river-2

Santa Monica Mountains dudleya

Marine Mammal Stranding Course at NCTC-1

Biologists search for Fountain Darter-2

Refuge biologist holds a Laughing gull chick

massachusetts bird

Biologist shows front view of Gulf sturgeon in river-1

501 - 600 of 19,010 Next page

/ 191