2,987 Free Images of Biologist

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Biologist holds little brown bat.

photo credit: USFWS/Ann Froschauer

animals mammals

Credit: G. Peeples/USFWS

www.fws.gov/asheville/

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A lynx kitten is held in place while a wildlife biologist documents their measurements.

Credit: James Weliver / USFWS

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Biologists transfer a partial California red-legged frog egg mass from a in the Santa Monica Mountains.

amphibia animals

Hawaiian petrel chick being checked by a biologist. Photo credit: George Wallace/American Bird Conservancy

Medford District biologists collecting owl survey data. - April 2010

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A wildlife biologist and a wolverine (Gulo gulo) in Boise National Forest, Idaho

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A lynx kitten is measured by a wildlife biologist.

Credit: James Weliver / USFWS

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Nesting Great Gray Owl.

Photo by Medford District biologist, Norm Barrett.

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A wildlife biologist sets an ear tag in place.

Credit: James Weliver / USFWS

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Biologist measures forearm of little brown bat.

photo credit: USFWS/Ann Froschauer

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P-22 seen on a trail camera around a week before he was recaptured by biologists in mid-December.

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Biologist holds a little brown bat captured in a harp trap.

photo credit: USFWS/Ann Froschauer

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P-22 seen on a trail camera around a week before he was recaptured by biologists in mid-December.

wildlife animals

Credit: Jonathan Mays, Wildlife Biologist, Maine Department of Inland Fisheries and Wildlife

animals mammals

Medford District biologists collecting owl survey data. - April 2010

Wow! Look at the camouflage! One of our biologists recently captured these images of the Pacific Tree Frog while out hiking in Solstice Canyon.

amphibia animals

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Credit: G. Peeples/USFWS

www.fws.gov/asheville/

Eartagged and being measured, a lynx kitten is held by a biologist.

Credit: James Weliver / USFWS

wildlife animals

Credit: Jonathan Mays, Wildlife Biologist, Maine Department of Inland Fisheries and Wildlife

animals mammals

Credit: USFWS; Andrew King

Biologists are measuring the area of bat clusters to estimate numbers of hibernating bats. This is an older survey technique. The new technique is to take digital photos

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P-22 was recaptured in late March by National Park Service biologists and treated for mange, a parasitic disease of the hair and skin. Blood tests later showed exposure to anti-coagulant rodenticides,

animals mammals

Scientist and Bad Experiment Reaction

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Biology biotechnology chemistry

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Biology biotechnology chemistry

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Wow! Look at the camouflage! One of our biologists recently captured these images of the Pacific Tree Frog while out hiking in Solstice Canyon.

arthropod animals

Nesting Great Gray Owl.

Photo by Medford District biologist, Norm Barrett.

This adult male bobcat was captured in the Thousand Oaks area and was suffering from mange disease. NPS biologists treated him with a topical solution in the field, placed a collar on him, and release

wildlife animals

Our biologists recently ear-tagged these adorable 3-4-week-old kittens as part of our nearly 20-year-long study of how urbanization has affected bobcats in the Santa Monica Mountains and surrounding a

animals mammals

Sarah Sorenson, a USFWS biologist, places a winged mapleleaf mussel in Tennessee's Duck River.

Credit: Chris Davidson - USFWS

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Monitoring Biologist Bird Watcher

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USFWS endangered species biologist Susi von Oettingen removes a little brown bat from a mist net

photo credit: Ann Froschauer/USFWS

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USFWS Wildlife Biologist Laura Mendenhall takes a blood sample from condor number #49. Photo: Jon Myatt/USFWS

Charles Darwin by G. Richmond

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Our biologists recently ear-tagged these adorable 3-4-week-old kittens as part of our nearly 20-year-long study of how urbanization has affected bobcats in the Santa Monica Mountains and surrounding a

wildlife animals

2007 Figure 4. Wildlife Technician Cassie Waters searching for a signal from a radio collared mountain lion at Zion National Park in August 2007.

animals mammals

Little brown bat with wing band. The band will help biologists and researchers identify individual bats from year to year.

photo credit: USFWS/Ann Froschauer

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When there is evidence of rabbits at a site, biologists can trap them and take information to be able to specify what type of rabbit lives there--the non-native eastern or native New England cottontai

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Aside from GPS and radio collars, lynx scat can alert biologists to the presence of Canada Lynx in their region of study.

Credit: James Weliver / USFWS

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MDC biologist Tony Elliot collects research samples from a healthy Indiana bat (Myotis sodalis)

photo credit: Ann Froschauer/USFWS

animals mammals

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P-39 digs in while one of her kittens looks on. Because biologists estimate her age at only three to four years old in this photo (taken in spring 2015), it's possible this is P-39's first litter of k

animals mammals

Little brown bat with white-nose syndrome in Greeley Mine, Vermont, March 26, 2009

Credit: Marvin Moriarty/USFWS

animals mammals

In an ongoing effort to track bog turtle populations, biologists recently spent several days visiting southern Appalachian bogs in western North Carolina, searching for the rare turtles. Measurements

reptiles animals

In an ongoing effort to track bog turtle populations, biologists recently spent several days visiting southern Appalachian bogs in western North Carolina, searching for the rare turtles. Measurements

reptiles animals

In an ongoing effort to track bog turtle populations, biologists recently spent several days visiting southern Appalachian bogs in western North Carolina, searching for the rare turtles. Measurements

reptiles animals

In an ongoing effort to track bog turtle populations, biologists recently spent several days visiting southern Appalachian bogs in western North Carolina, searching for the rare turtles. Measurements

reptiles animals

Jo Santiago, a wildlife biologist and a raptor rehabilitation specialist, handles Micah, an American Kestrel during a presentation in Washington D.C., April 24, 2019. (Forest Service photo by Tanya Fl

Given the rarity of northern long-eared bats, biologists were excited to catch and tag them!
Photo credit: Keith Shannon/USFWS

Follow USFWS Northeast on social at www.facebook.com/usfwsnortheast and

animals mammals

Male Salt Marsh Moth (Estigmene acrea)

butterfly arthropod

This adult male bobcat was captured in the Thousand Oaks area and was suffering from mange disease. NPS biologists treated him with a topical solution in the field, placed a collar on him, and release

wildlife animals

Studying the movements of animals can reveal certain behaviors. Earlier this spring, biologist Joanne Moriarty saw something familiar with Bobcat-339. Her GPS points indicated denning. So we went to c

animals mammals

In an ongoing effort to track bog turtle populations, biologists recently spent several days visiting southern Appalachian bogs in western North Carolina, searching for the rare turtles. Measurements

wildlife animals

Given their rarity, biologists were excited when northern long eared bats were able to be tagged.
Photo credit: Keith Shannon/USFWS

Follow USFWS Northeast on social at www.facebook.com/usfwsnortheast

animals mammals

Little brown bat with wing band. The band will help biologists and researchers identify individual bats from year to year.

photo credit: USFWS/Ann Froschauer

animals mammals

CBS Anchorwoman Betty Nguyen and USFWS endangered species biologist Susi von Oettingen

photo credit: Ann Froschauer/USFWS

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Biologists with the National Park Service and USGS carefully remove half of an egg mass to translocate to two undisclosed locations in the Santa Monica Mountains. Red-legged frogs haven't been seen in

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NH Fish and Game Department biologist Emily Burnkhurst and Boston University technician Leon Spencer apply wing band to little brown bat.

photo credit: USFWS/Ann Froschauer

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Jo Santiago, a wildlife biologist and a raptor rehabilitation specialist, handles Isaiah, an Eastern Screech Owl during a presentation in Washington D.C., April 24, 2019. (Forest Service photo by Tany

Dawn is a U.S. Fish and Wildlife Service wildlife biologist at the Pacific Regional Office in Portland. She first began working with sage-grouse in 1998 and has collaborated on projects in Nevada, Ca

Jo Santiago, a wildlife biologist and a raptor rehabilitation specialist, handles Zacchaeus, a Merlin during a presentation in Washington D.C., April 24, 2019. (Forest Service photo by Tanya Flores)

At up to two and a half feet in length, Eastern hellbenders can be an impressive sight. These aquatic salamanders are found in Appalachian streams, and have declined to the point that they’ve been con

amphibia animals

At up to two and a half feet in length, Eastern hellbenders can be an impressive sight. These aquatic salamanders are found in Appalachian streams, and have declined to the point that they’ve been con

amphibia animals

Regional Director Weber (center) and Tim Dillingham, Executive Director of American Littoral Society (left) watch biologist Larry Niles of Niles and Associates (right) handle a rufa red knot shore bir

USFWS biologist Chris Davidson holds three winged mapleleaf mussels, which are tagged with identification numbers for monitoring purposes.

Photo credit: Sarah Sorenson - USFWS

animals mollusk

Photo of the Week - 10/6/10
U.S. Fish and Wildlife Service and Missouri Department of Conservation biologists at a gray bat survey site.
Credit: Ann Froschauer/USFWS

Learn about white-nose syndrome,

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October 9, 2010 - Monroe, LA
This biologist is informing children about the alligator snapping turtle species.
Photographer: Dr.Maggie Hodge

www.fws.gov/natchitoches/

reptiles animals

CBS News camera films USFWS endangered species biologist Susi von Oettingen and VT DFW wildlife technician Alyssa Bennett working up a little brown bat

animals mammals

Our biologist recently set a motion-triggered camera on one of P-22's deer kills. P-22 didn't return, but it was interesting to see who showed up to feed on his leftovers. Two bobcats and two coyotes

wildlife animals

NPS/Hannah Schwalbe

Biologists at Joshua Tree National Park track about 20 desert tortoises to assess their health and the health of the population. Tortoise research is completed as quickly as possi

reptiles animals

Jo Santiago, a wildlife biologist and a raptor rehabilitation specialist, handles Freedom, a bald eagle during a presentation in Washington D.C., April 24, 2019. (Forest Service photo by Tanya Flores)

March 24, 2011 - Natchitoches National Fish Hatchery
Close up pic of Louisiana pearlshell mussel glochidia.
Photographer: Tony Brady, mussel propogation biologist

www.fws.gov/natchitoches/

animals mollusk

US Navy 110603-N-PM781-008 Lt. Dustin Burton and Lt. Richard Vallejos, both assigned to Maritime Expeditionary Security Squadron (MSRON) 1, work wi

marine biologist rock

Lynx kittens are held by a biologists shortly after being removed from their den. The team would station themselves apart from the den in order to maintain the integrity of the lynx's habitat.

Cred

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Jo Santiago, a wildlife biologist and a raptor rehabilitation specialist, handles Zacchaeus, a Merlin during a presentation in Washington D.C., April 24, 2019. (Forest Service photo by Tanya Flores)

P-37 and her sibling, P-36, were ear-tagged by National Park Service biologists in February of 2015. They were later eaten by P-27. P-12, the other dominant male in the Santa Monica Mountains, was the

animals mammals

Jo Santiago, a wildlife biologist and a raptor rehabilitation specialist, handles Zacchaeus, a Merlin during a presentation in Washington D.C., April 24, 2019. (Forest Service photo by Tanya Flores)

USFWS waterfowl biologist bands a northern pintail as a part of the Western Canada Cooperative Waterfowl Banding Program.

You are free to use this photo with the following credit: Joseph Sands, USFWS

In an ongoing effort to track bog turtle populations, biologists recently spent several days visiting southern Appalachian bogs in western North Carolina, searching for the rare turtles. Measurements

reptiles animals

Scientist after a failed experiment

scientist science

U.S. Fish and Wildlife Service National White-Nose Syndrome Assistant Coordinator Jonathan Reichard inspects a little brown bat to determine its age, sex and reproductive status.
Photo credit: Keith S

animals mammals

A Canada Lynx kitten awaits its turn to be measured in the arms of a forester who works for the owners of the land. As part of an effort to better serve their partnership, biologists often invite lan

animals mammals

US Navy 110603-N-PM781-006 Lt. Dustin Burton and Lt. Richard Vallejos, both assigned to Maritime Expeditionary Security Squadron (MSRON) 1, work wi

san clement island marine biologist

P-36 and P-37 were ear-tagged by National Park Service biologists in February of 2015. They were later eaten by P-27. P-12, the other dominant male in the Santa Monica Mountains, was their father.

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P-42 is a young female captured near Malibu Creek State Park in July of 2015. She is a previously unknown mountain lion who biologists believe had only recently dispersed from her mother.

Credit: Nat

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CBS News Anchorwoman Betty Nguyen and VT DFW Commissioner Patrick Berry look on as USFWS endangered species biologist Susi von Oettingen inspects a little brown bat.

photo credit: Ann Froschauer/USFW

animals mammals

P-36 and P-37 were ear-tagged by National Park Service biologists in February of 2015. They were later eaten by P-27. P-12, the other dominant male in the Santa Monica Mountains, was their father.

animals mammals

Taken in March near Malibu Creek State Park, when the kittens were 11 months old. Our biologist set up his remote camera during the day and then the family came back to the kill site an hour before su

animals mammals

Given the rarity of northern long-eared bats, biologists were excited to catch and tag them!
Photo credit: Keith Shannon/USFWS

Follow USFWS Northeast on social at www.facebook.com/usfwsnortheast and

animals mammals

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