3,049 Free Images of Biologist

biologists(usfws)work of the service employees(usfws)survey fish water aquatic environment rivers and streams west virginia train

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-2

Service employee holding a Sharp-shinned Hawk

Fishery Biologist adjusts water flow to fish pond-4

Student using a microscope-2

Student using a microscope-1

In vitro metamorphosis

equipment science

Students in the classroom lab-2

Instructor examines native mussel

underwater train

Students in the classroom lab-3

Students in the classroom lab-1

20220527-FS-GP-FS Biologists intructing at Cispus Learning Center-02

gifford pinchot national forest

20220527-FS-GP-FS Biologists intructing at Cispus Learning Center-01

gifford pinchot national forest

BIOLOGIST. GERM CULTURES LCCN2016866814

historical history

BIOLOGIST. GERM CULTURES LCCN2016866813

historical history

FWS employees surveying and assessing rivers and streams-1

Conservation Genetics lab

washington fish

Mussel culture chambers

Instructor examines native mussel-2

underwater train

Measuring shell length

Mobile lake sturgeon rearing unit

Students in the classroom lab-1

Students surveying freshwater mussels-1

underwater train

Underside of upper bucket

Instructor examines native mussel-5

underwater train

Fishery biologist checks sonar

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-1

FWS employees surveying and assessing rivers and streams-2

FWS employees surveying and assessing rivers and streams-4

Forester and biologist inspecting fire weakened and killed trees, Mt. Hood National Forest

mt hood national forest

Biologist Kris Spaeth Photographs Butterfly Milkweed

landscape nature

U.S. Fish and Wildlife Service Biologist

wildlife nature

Students surveying freshwater mussels-1

underwater water

Fishery biologist with Smallmouth Buffalo fish

Inside of mesh culture chamber

Fisheries biologist holds massive carp

Indigo bunting

Student surveying freshwater mussels-1

underwater water

Students surveying freshwater mussels-1

underwater water

Instructor examines native mussel-1

underwater water

Geneticist collecting tissue from trout-2

pennsylvania aquaculture

Steelhead measurements

Instructor and student identify fish in the lab classroom

Biologist Kris Spaeth Inspects Oval-leaf Milkweed

landscape nature

PEARL, RAYMOND, PH.D., BIOLOGIST LCCN2016869082

historical history

Settling in for a nap

biologist animals

Dan Tom tour lakefront bird habitat with Chicago field office biologists Mike Redmer n Shawn Cirton

Volunteer avian biologists on the m/v Ursa Major II

volunteer alaska

Collecting vegetation samples

FWS employees surveying and assessing rivers and streams-1

landscape water

Geneticist collecting tissue from trout

pennsylvania aquaculture

Metal sorting table for freshwater mussels-2

crustacean wisconsin

Native plants for restoration-4

Aquatic biologist measuring adult Cherokee darter

Fish health inspection

equipment science

Students identify fish in the lab classroom

Service employees riding in a boat

Fishery biologist with Silver carp

Student surveying freshwater mussels

underwater water

Geneticist at work in laboratory-6

pennsylvania indoor

Biologists with the U.S. Fish and Wildlife Service and The Santa Barbara Zoo hike into Devils Gate Canyon

california condor checkflickr

FWS employees surveying and assessing rivers and streams-1

PEARL, RAYMOND, PH.D., BIOLOGIST LCCN2016869082

historical history

Shinyrayed pocketbook

Students surveying freshwater mussels-2

underwater water

Geneticist collecting tissue from trout-1

pennsylvania aquaculture

Students identify fish in the lab classroom-6

Quantitative sampling for freshwater mussels

Fishery biologist with Silver carp-2

Steelhead tagging

Glochidia are poured into the infestation bath

equipment science

Abernathy Fish Technology Center

washington fish

Conglutinates of the fanshell

equipment science

Student surveying freshwater mussels-2

underwater water

FWS employees surveying and assessing rivers and streams-1

Stream bed in the forest-4

FWS employees surveying and assessing rivers and streams-3

FWS employees surveying and assessing rivers and streams-2

Molecular biologist

FWS at Pendills Creek National Fish Hatchery

equipment michigan

Fish identification

Biology fieldwork

Petri dish captures the harvested glochidia

equipment science

Students surveying freshwater mussels-1

Fishery biologist weighs large Silver carp

Right conditions for the Tidewater goby

california fish

Loading boat on Missouri River

Fisheries biologist holds massive carp-1

Holding a California Condor

wildlife refuge california

Wingspan of a Indigo Bunting

Abernathy Fish Technology Center-1

washington fish

Students surveying freshwater mussels-3

underwater water

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