19.009 Fotos gratuitas de Usfws

investigación científica agua equipo peces virginia occidental barcos reptil florida ciencia recreativo

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

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

FWS employees surveying and assessing rivers and streams-1

Biologist reattaches fish tank to helicopter cable-3

sociedad de negocios nuevo méxico

Biologist measures water velocity in a flume-1

Biologist stocks Gila trout in Mineral Creek-4

sociedad de negocios nuevo méxico

Biologists search for Fountain Darter-1

primavera peces

Biologist measures water velocity in a flume-1

Gila trout-4

Fisheries biologist releases Gulf sturgeon -1

Measuring the ears of a sedated lynx

mamíferos monitor

Fisheries biologist releases Gulf sturgeon -1

Aerial view of Selawik National Wildlife Regue

cambio climático alaska

Descending deeper into the mine

murciélagos mamíferos

Biologists search for Fountain Darter-5

primavera peces

Close-up tagging monarch butterfly

animales mariposa

Visual lures used to trap wild lynx

mamíferos invierno

Fisheries biologist releases Gulf sturgeon

Biologists measure a Gulf sturgeon in river

Biologists process a Gulf sturgeon in river

Hatchling Gopher tortoise feeding

Fish Nutritionist checks quality control of fish food-1

Fish Nutritionist dries and inspects fish food

USFWS boat anchored off the coast of Monomoy NWR

Biologists with Gulf sturgeon in river

Service biologist displays a Northern pike-4

Taking notes

murciélagos mamíferos

Biologist measures water velocity in a flume

Fisheries biologist displays Gulf sturgeon underside-1

Planting Red Spruce-1

Service biologist displays a Northern pike

Attendee at the Moving Friends Forward Conference-1

educación personas

Fisheries biologists measure Gulf sturgeon-1

Northern long-eared Bat-1

cuestionario animales

Water treatment equipment-2

Biologist holds Gila trout in Mineral Creek

sociedad de negocios nuevo méxico

Finding a bat

murciélagos mamíferos

Indigo bunting-2

Biologists in Broodstock area in Sturgeon Building-1

Fishery employee feeds fish-3

Surface Elevation Monitoring

monitor oregón

Black-footed Ferret reintroduction

mamíferos pradera

Indigo bunting-1

Fishery employee feeds fish-1

Planting Red Spruce-2

Planting Red Spruce-1

Stocking fish-3

Indigo bunting-3

Selawik National Wildlife Refuge mountaintop

montaña alaska

Kids in nature-1

insectos juventud

Biologists tagging Delmarva Peninsula fox squirrels

mamíferos educación

Biologists show length of Gulf sturgeon in river-1

Aerial view of Selawik National Wildlife Refuge

Biologists show length of Gulf sturgeon in river-3

Biologists show length of Gulf sturgeon in river-2

Marine Mammal Stranding Course at NCTC-1

Marine Mammal Stranding Course at NCTC-1

vehículo ciencia

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

Biologists display spine of Gulf sturgeon in river

Researchers track the movement of endangered Gray bats-1

murciélagos mamíferos

Marine Mammal Stranding Course at NCTC-1

Biologists show length of Gulf sturgeon in river-4

Closeup of a collared lynx

vida silvestre animales

Hatchling Gopher tortoise basking on rye grass

animales reptil

Biologists search for Fountain Darter-1

Visual lures also help trap wild lynx

vida silvestre aves rapaces

Stocking fish from hatchery truck

Marine Mammal Stranding Course at NCTC-1

vehículo ciencia

Biologist stocks Gila trout into Mineral Creek-1

Aerial view of Selawik National Wildlife Refuge-1

cambio climático alaska

Biologist shows side view of Gulf sturgeon in river-3

Biologist in raft during a fish population survey

vehículo peces

Marine Mammal Stranding Course at NCTC-1

Marine Mammal Stranding Course at NCTC-3

Wyoming toad-9

colorado reptil

Biologists weigh a Gulf sturgeon in river-3

Marine Mammal Stranding Course at NCTC-2

Biologists capture a Gulf sturgeon in river-4

Marine Mammal Stranding Course at NCTC-4

Marine Mammal Stranding Course at NCTC-1

Biologists process a Gulf sturgeon in river-4

Marine Mammal Stranding Course at NCTC-1

Biologists weigh a Gulf sturgeon in river-5

Marine Mammal Stranding Course at NCTC-5

Fish Nutritionist dries and inspects fish food-1

Marine Mammal Stranding Course at NCTC-6

Fish Nutritionist dries and inspects fish food-5

Marine Mammal Stranding Course at NCTC-1

Medical instruments used by USFWS fisheries crew-2

Marine Mammal Stranding Course at NCTC-1

Fish Nutritionist dries and inspects fish food-4

Marine Mammal Stranding Course at NCTC-12

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