8,399 Free Images of Biologists(usfws)

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

Biologists search for Fountain Darter-4

Biologists search for Fountain Darter-1

Biologist measures water velocity in a flume-1

Biologists dip net Gila trout out of tank into buckets

partnership new mexico

Biologists search for Fountain Darter-2

Lyonnet 2, Pierre Lyonnet

biologists from the netherlands pierre lyonnet

Fern foliage

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

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

Biologists search for Fountain Darter-1

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

partnership new mexico

Biologists spawning trout-2

Biologist spawning trout-2

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

partnership new mexico

Biologist conducts a swim test on a large Rainbow trout

Biologists tag a hellbender

north carolina amphibian

Biologist shows length of Gulf sturgeon in river

Biologists in boat net Gulf sturgeon in river-1

Biologists show length of a Gulf sturgeon in river

Biologist shows side view of Gulf sturgeon in river

Biologists loading trout-1

Floating a sandpiper egg

Irrigation canal

Setting a net

Fern foliage -7

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

Biologists show length of Gulf sturgeon in river-2

Biologist teaches children about the Monarch butterfly-2

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

transport winter

Banding a Laysan duck during translocation project

Biologists feed a protein and sugar mixture to each captured bird

Biologist shows front view of Gulf sturgeon in river-2

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

Biologists show length of Gulf sturgeon in river-1

Biologist teaches children about the Monarch butterfly-2

Biologist teaches children about the Monarch butterfly-3

Biologists continually monitor the lynx

Water diverted for stream restoration

colorado restored

Little brown Bat clusters

Animal waste-8

vegetables alaska

Salamander House

Blackfoot Challenge Tour

celebrities group

Service pilot controls the aircraft

aircraft people

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

FWS biologist observes captive Devils Hole pupfish-3

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-1

Biologists search for Fountain Darter-1

Service pilots outside airplane

waterfowl aircraft

Heinrich Burger, Watanabe Kazan, 1826

biologists from germany 1826 births

Rigging the wire

mammals monitor

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