2,182 Free Images of Biologists(usfws)

endangered and/or threatened species work of the service fish aquaculture fish hatcheries aquatic environment fishery research wildlife refuge equipment

Biologist teaches children about the Monarch butterfly-3

Biologist measures water velocity in a flume

Fisheries biologist displays Gulf sturgeon underside-1

Service biologist displays a Northern pike

Fisheries biologists measure Gulf sturgeon-1

Biologist holds Gila trout in Mineral Creek

partnership new mexico

Biologists in Broodstock area in Sturgeon Building-1

Biologist shows front view of Gulf sturgeon in river-3

Fishery biologist surveys a American paddlefish

underwater fish

Biologist working at Leadville National Fish Hatchery-3

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

Biologists secure boat along shoreline

USFWS employee with net full of Salmon

Antenna system to identify bats

Looking for a needle in a haystack

Fish identification in the lab

Salamander House-2

Salamander House-2

Salamander House-2

Canada lynx kitten-1

wildlife animals

Recirculating tanks

Water diversion for stream restoration

Researchers examining Hine's emerald dragonfly

Girl scouts in frog survey

celebrities children

Water diverted for stream restoration

colorado restored

Animal waste-8

vegetables alaska

Salamander House

Little brown Bat clusters

Blackfoot Challenge Tour

celebrities group

Service pilot controls the aircraft

aircraft people

Biologists show length of Gulf sturgeon in river-1

FWS biologist observes captive Devils Hole pupfish-3

Biologists in boat study Gulf sturgeon in river-1

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

Biologist carrries a sedated Canada lynx

FWS biologist observes captive Devils Hole pupfish-3

FWS biologist observes captive Devils Hole pupfish-1

Biologists search for Fountain Darter-1

Biologists capture a Gulf sturgeon in river

Biologists search for Fountain Darter-4

Biologists walking at Gavins Point National Fish Hatchery

Biologists release a Gulf sturgeon in river

Biologists measure each bird

Biologists search for Fountain Darter-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

Biologist reattaches fish tank to helicopter cable-1

partnership new mexico

Biologists search for Fountain Darter-1

Biologists in boat study Gulf sturgeon in river

Irrigation canal

Setting a net

Biologist teaches children about the Monarch butterfly-4

Biologist working at Leadville National Fish Hatchery-1

Biologist shows front view of Gulf sturgeon in river-2

Biologist stocks Gila trout into Mineral Creek

Biologists release a Gulf sturgeon in river-1

Biologist transfers adult Gila trout to buckets for distribution-3

partnership new mexico

Biologists loading trout

Biologists search for Fountain Darter-3

Biologist shows scales on the Gulf sturgeon in river

Setting up a live trap

GPS waypoints mark routes

transport winter

Transporting Gila trout into a 55-gallon drum

Inside a live trap

Feeding fish in the raceways-1

Gila trout-3

partnership new mexico

Service pilot reviewing map before takeoff

aircraft people

Feeding time!

puerto rico bird

Gila trout-1

partnership new mexico

Water for the camp comes from snowmelt

mammals monitor

Little brown Bat clusters-3

Healthy Indiana bats

animals mammals

Weighing Caged Nutria

Students identifying fish

Canada Lynx kitten

wildlife animals

Stocking fish-1

Analyzing blood samples

Canada lynx kitten-1

wildlife animals

Biologists continually monitor the lynx

Biologist in boat study Gulf sturgeon in river-1

Biologists in boat net Gulf sturgeon in river-1

Biologists search for Fountain Darter-1

Biologist shows front view of Gulf sturgeon in river

Biologist in boat study Gulf sturgeon in river-1

Biologists dip net Gila trout out of tank into buckets-5

partnership new mexico

Biologists spawning trout-2

Biologist stocks Gila trout into Mineral Creek-4

Biologist spawning trout-1

Service pilots outside airplane

waterfowl aircraft

Rigging the wire

mammals monitor

Repairing riparian habitat on the St. Vrain River

Woodville Karst Cave crayfish-1

crustacean cave

Planting Red Spruce-2

Gulf sturgeon

Showing off service patch

Getting a closer look at the Lyon's pentachaeta

california plants

Nihoa MIllerbird Translocation-3

Two Canada Lynx kittens

wildlife animals

Close-up of a Panama City crayfish

crustacean florida

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