Images

Research on sika and white-tailed deer on Assateague Island National Seashore is investigating movements and habitat partitioning between these two ungulate species. Photo is of Sonja Christensen (M.S. student in Wildlife and Fisheries Science at Penn State University) with a sika deer.

Tennessee Cooperative Fish and Widlife Research Unit students John Damer and Casey Bergthold sampling elusive brook trout in the Watauga River in east Tennessee. 

Graduate Student Alina Niklison Measuring a hummingbird — Montana Wildlife AUL Tom Martin's project in Venezuela.

Virginia unit researchers study seasonal movement, dispersal, and home range of invasive Northern Snakehead Channa argus. Scientists also research growth and reproductive behavior in a newly established population of northern snakehead.

Josh Schloesser, a MS student at the Kansas Unit holding a grass carp collected while sampling with the USFWS on the Missouri River. Josh is working closely with the FWS and other agencies to develop sampling protocols for Missouri River fishes.

2007 Research crew for the short-tailed albatross satellite tracking study conducted on Torishima Island, Japan. Front row (left to right): Noboru Nakamura, Hayao Murakami, Paul Sievert, Yuki Watanabe, Fumio Sato. Back row: Miwa Tsuchiya, Robert Suryan.

Matt Reiter, MN Ph.D. student, and Steve, field technician, gathering data near Churchill, MB, Canada for Canada Goose research project.

Janie Kearns, with a mature (caviar-bearing) paddlefish captured by a commercial fisherwoman.

Dr. Mike Redding, Co-Principal Investigator (Tenn Tech) and Phil Bettoli, implanting a sonic tag into the body cavity of an endangered pallid sturgeon on the banks of the Mississippi River. 

USGS and Oregon State University scientists deploying electromagnetic sensors in the field.

Trevor Selch, Ph.D. student at the South Dakota Unit is studying effects of mercury on walleye reproduction.  Dr. Steven Chipps, AUL-Fisheries, pictured at right.

Researchers at the USGS Northern Rocky Mountain Science Center and their partners place thermal remote cameras near deer and elk carcasses in Yellowstone National Park to capture images of wolves with mange feeding in the wild.

The USGS studies bighorn sheep movements, population structures, and habitat use in and near Glacier National Park.

Assistant Idaho Unit Leader Christine Moffitt during construction of hydrocyclone filtration system at Hagerman National Fish Hatchery.

Mike Greiner, M.S. student, South Dakota Coop Unit.  Mike is studying limnology of Bureau of Reclamation Reservoirs in North Dakota.

The Massachusetts unit and its cooperators are using box traps to capture and mark beavers for a study of their ecology in and around suburban areas of Massachusetts.

Cool, clear rivers of the Texas Hill Country attract visitors for many recreational opportunities. Here, a family enjoys paddleboarding at Schreiner Park during spring break in Kerrville, Texas.

Researchers approach Blackfoot Glacier in Glacier National Park.

Biologists at Columbia Environmental Research Center drawdown and seine a pond to collect reproductive pallid sturgeon.  The pond has been specially designed to provide turbid, flowing water that pallid sturgeon need to thrive.

USGS geologist Deborah Bergfeld measures the temperature of a thermal feature near Big Boiler at Bumpass Hell in Lassen Volcanic National Park.

USGS geologist Laura Clor (right) and Rachel Teasdale (California State University – Chico, left) collect gas samples from a thermal feature at Sulphur Works in Lassen Volcanic National Park.