Images

Gastrocopta germindens shell viewed with a scanning electron microscope.

Gastrocopta pellucida shell viewed with a scanning electron microscope with a zoom-in of the aperture.

Gastrocopta servilis shell viewed with a scanning electron microscope with a zoom-in of the aperture.

Strobilops sp. shell viewed with a scanning electron microscope.

Thysanophora caecoides shell viewed with a scanning electron microscope.

Close-up view of Thysanophora crinita shell viewed with a scanning electron microscope.

Miradiscops opal shell viewed with a scanning electron microscope.

Pupisoma dioscoricola shell viewed with a scanning electron microscope.

Fishery biologists Gary Curtis and Renee Potter guide the trawl net as it is let out from the RV/Grayling into Lake Huron.

Biologists inspect fish catch from trawl net.

Dr. Jacqueline Savino, fishery biologist, and Gentry Yearout, volunteer, remove fish for research from a tank in the fish holding room at the Great Lakes Science Center.

Graduate student Christiane Roy placing suspended invertebrate traps in the experimental ponds by kayak.

Snow geese captured on Wrangel Island, Russia in July of 1991 and 1992. The project involved using satellite transmitters to track the migration of the geese.

Dr. Thomas C. Michot, National Wetlands Research Center, stands atop a "marsh ball," a piece of fragmented marsh from Hurricane Andrew.

National Wetlands Research Center workers set bench marks to study marsh subsidence.

National Wetlands Research Center biologists leave their airboats to tag stems in nutria exclosures in a Louisiana wetlands.

Wildlife disease specialist Ronald Windingstad examines a trumpeter swan during an outbreak of histomoniasis.

An unidentified cow (Bovidae Family) with cattle egrets (Bubulcus ibis) in the grass. Deforestation is visible in the background.

External placement of radio transmitters on shortnose sturgeon in the Connecticut River.

A hatched embryo of a pallid sturgeon. 

Here is a study deer after capture and being radio-collared. The tracking information from this collar will enable researchers and managers to track the migrations of mule deer and evaluate their habitat and population performance and will aid in management of mule deer populations in Wyoming.