19,010 Free Images of Usfws

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

Aerial view of Selawik National Wildlife Refuge

landscape water

Released Canada lynx stretches into a bound

wildlife animals

Biologists show length of Gulf sturgeon in river-1

Tagged Monarch and child-1

butterfly animals

Marine Mammal Stranding Course at NCTC-3

Biologist shows side view of Gulf sturgeon in river-3

Biologist conducts a swim test on a large Rainbow trout-1

Marine Mammal Stranding Course at NCTC-1

Biologists display spine of Gulf sturgeon in river

Biologist shows front view of Gulf sturgeon in river-2

Marine Mammal Stranding Course at NCTC-1

Marine Mammal Stranding Course at NCTC-1

vehicle science

Marine Mammal Stranding Course at NCTC-4

Biologist conducts a swim test on a large Rainbow trout-2

Marine Mammal Stranding Course at NCTC-1

Santa Monica Mountains dudleya-4

Preparing a small GPS satellite collar for the sedated lynx

mammals monitor

Hatchling Gopher tortoises emerging from burrow to bask

reptiles animals

Biologists weigh a Gulf sturgeon in river

Biologists show length of Gulf sturgeon in river-6

Juvenile Gopher tortoise after digging burrow

Biologists in boat study Gulf sturgeon in river-1

USFWS Fisheries crew in boat preparing for lake sturgeon field work-7

Snorkeler searches for hellbenders

FWS biologist observes captive Devils Hole pupfish-3

Snorkeling for Eastern hellbenders

FWS biologist observes captive Devils Hole pupfish-3

FWS biologist observes captive Devils Hole pupfish-3

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

FWS biologist observes captive Devils Hole pupfish-1

Biologists show length of Gulf sturgeon in river-1

Marine Mammal Stranding Course at NCTC-2

Wyoming toad-2

Biologists show length of Gulf sturgeon in river-2

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

transport winter

Rafinesque's big-eared bat-3

Closeup of a collared lynx

wildlife animals

Biologists show length of Gulf sturgeon in river-4

Tagged Monarch and child-1

butterfly animals

Tagged Monarch and child-1

butterfly animals

Biologists show length of Gulf sturgeon in river-3

Fish Nutritionist checks quality control of fish food-1

Biologist teaches children about the Monarch butterfly-2

Tagged Monarch and child-2

butterfly animals

Santa Monica Mountains dudleya

Biologist stocks Gila trout into Mineral Creek-1

Aerial view of Selawik National Wildlife Refuge-1

climate change alaska

Close-up of hatchery fish

underwater fish

Biologist shows front view of Gulf sturgeon in river-1

Marine Mammal Stranding Course at NCTC-1

vehicle science

Tagged Monarch and child-2

butterfly animals

Visual lures also help trap wild lynx

birds of prey wildlife

Biologist teaches children about the Monarch butterfly-3

Biologist conducts a swim test on a large Rainbow trout-1

Biologists tagging Delmarva Peninsula fox squirrels

education mammals

Marine Mammal Stranding Course at NCTC-1

Biologists show length of Gulf sturgeon in river-2

Marine Mammal Stranding Course at NCTC-2

Delmarva Peninsula fox squirrel-1

animals mammals

FWS biologist observes captive Devils Hole pupfish-2

Biologist shows front view of Gulf sturgeon in river-1

Tagged Monarch and child-1

butterfly animals

New shed

children plants

Biologist working at Leadville National Fish Hatchery

Traveling to a trap along a frozen river

Biologist carrries a sedated Canada lynx

Biologists display spine of Gulf sturgeon in river-2

Biologists secure boat along shoreline-2

FWS biologist observes captive Devils Hole pupfish-2

Biologist working at Leadville National Fish Hatchery-1

Ohio River Islands biologist, Patricia Morrison, drives a boat on the river

Biologist working at Leadville National Fish Hatchery-1

Marine Mammal Stranding Course at NCTC-2

vehicle science

Collared Canada lynx pauses for a moment

Biologist teaches children about the Monarch butterfly-4

Snowshoe hare tracks

Working on a sedated lynx in the field

Biologist shows front view of Gulf sturgeon in river-3

Directorate Fellowship Program intern holds a Laughing gull chick

massachusetts bird

Marine Mammal Stranding Course at NCTC-1

vehicle science

Brown Noddy perched on a piece of wood

Wolf collaring-2

Biologist conducts a swim test on a large Rainbow trout-2

Biologists in boat study Gulf sturgeon in river-1

FWS biologist observes captive Devils Hole pupfish-2

Aerial view of Selawik National Wildlife Refuge-2

landscape water

Biologists search for Fountain Darter-1

Pulling up to check a trap along the river

Marine Mammal Stranding Course at NCTC-5

Delmarva Peninsula fox squirrel pit tagging

maryland mammals

Measuring the canines of a sedated lynx

mammals monitor

Marine Mammal Stranding Course at NCTC-3

animals science

Biologist shows front view of Gulf sturgeon in river-2

USFWS Fisheries crew in boat preparing for lake sturgeon field work-2

Silver fox in silhouette

Biologist carefully moves the sedated lynx to a recovery position

Releasing a captured lynx

Newly collared female lynx recovers from sedation

wildlife animals

USFWS Fisheries crew in boat preparing for lake sturgeon field work-4

USFWS Fisheries crew in boat preparing for lake sturgeon field work-2

701 - 800 of 19,010 Next page

/ 191