Images

Florida panther rests in it's Southwest Florida habitat.

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

Striatura meridionalis shell viewed with a scanning electron microscope with aperture facing up.

Miradiscops opal shell viewed with a scanning electron microscope with aperture facing up.

Pupisoma dioscoricola shell viewed with a scanning electron microscope.

Radiodiscus millecostatus shell viewed with a scanning electron microscope.

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

Removal of esophageal contents from a 2-week old mallard duckling.

Graduate student Christiane Roy taking a mallard duckling by lethal injection.

Magnolia warbler in the Presidential Range, White Mountains, NH

USGS researcher Rebecca Lazarus prepares to take a blood sample from an osprey fledgling in a nest on the Chesapeake and Delaware Canal, Delaware Bay in 2015. Lazarus and colleagues did similar sampling of 48 chicks on Chesapeake Bay in 2011-2013.

Arizona saquaro will be one of the species looked at by USA-NPN volunteers.

Steve Nagel collects data from a weather station in the Shenandoah National Park.

Little blue herons are a species recorded in the historical bird phenology cards.

Balkan endemic nephropathy (BEN) patient from a BEN village in Romania. The photo was taken at a dialysis clinic in Romania where the patient traveled every 2 to 3 days to receive dialysis, the principal treatment option for people with BEN. This patient died from complications of BEN within a year after this photo was taken in 2000.

Nikola Pavlovic, a kidney specialist and a USGS collaborator on Balkan endemic nephropathy (BEN) studies from Serbia, is shown exposing a small Pliocene lignite bed near a BEN village in the Vratza area of Bulgaria. The Pliocene lignite seams vary greatly in size and extent. BEN villages are always close to these Pliocene lignite deposits.

Deschauensee's Anaconda (Eunectes deschauenseei). The snake pictured is a representative of a species discussed in the USGS snake risk assessment. This snake was photographed in its native range.

Brutus, a wolf being studied by USGS scientists, separates from his pack mates and appears to be heading back to the den. He stops at the head of the fiord and howls for 2-3 minutes. The scientists track his progress with binoculars past the river where they cannot go. They suspect that his mate has returned to the den, and that Brutus will join her there.

Brutus, a wolf being studied by USGS scientists, is chemically immobilized, measured, ear-tagged, and fitted with a radio collar near the Eureka airstrip on Ellesmere Island in the High Arctic, Nunavut, Canada.

Massachusetts inner continental shelf bottom photograph showing seafloor life.

An American Alligator in Everglades National Park. The species was once listed as Endangered, but was removed in 1987 after a successful recovery.