Images

This photo show runoff from an experimental plot through a weir.  Scientists carried out the study at the Oklahoma State University South Central Research Station in Chickasha, Oklahoma. Its a good example of rain induced runoff. 

White-nose syndrome (WNS) has continued to spread rapidly. Bats with white-nose syndrome have been confirmed in 33 states and seven Canadian provinces as of August 2019.

Sue Phillips headshot

The USGS and partners study the effects of climate change on the Greater Yellowstone Ecosystem. This image shows a research raft on Spider Lake, Wind River Indian Reservation, Wind River Range, Wyoming.

Row of lab bubblers sample purging prior to analysis at the Mercury Research Laboratory in Middleton, WI.

Methylmercury photodecomposition experiment on the roof of USGS building in Middleton, WI.

Erie pier pond in the Saint Louis River estuary in Duluth, MN.

An algal bloom forming in Kabetogama Lake near Kabetogama Visitor Center, Voyageurs National Park

Wild celery (Vallisneria americana) within lower Pool 13 of the Upper Mississippi River. 

Prevalence of submersed aquatic vegetation, especially wild celery, increased from 1998 to 2008 but has since declined in Pool 13.

A female mule deer with a GPS-satellite collar at a water source with two fawns.

Torrent salamanders are Northwest-U.S. endemic, headwater-stream-associated amphibian species that have a dearth of basic ecological information, but are thought to be highly vulnerable to habitat changes.

New York city skyline view from Liberty Island.

Lesser Snow Geese are captured using a helicopter to herd them into large pens to await banding.

Lesser Snow Geese are captured using a helicopter to herd them into large pens to await banding.

USGS field biologist Andrea Mott displays a recently marked Lesser Snow Goose.

 Lesser Snow Geese are captured using a helicopter to herd them into large pens.

Two USGS research technicians walk across a sparsely vegetated sandbar towards the Missouri River while surveying for piping plovers. 

USGS Restoration Assessment and Monitoring Program for the Southwest (RAMPS) is helping to build capacity in ecosystem restoration on the Navajo Nation with a series of projects in collaboration with Navajo Nation Department of Natural Hertiage, Dine Native Plant Program, and the Native-led non-profit Tolani Lake Enterprises.

Pyramid Lake, Nevada, is one of the last remaining strongholds for lacustrine Lahontan cutthroat trout; almost all other large lake populations have undergone population declines or extirpation as a result of habitat degradation, overharvest, and water diversions, all compounded by the stocking of nonnative species.

USGS Biological Science Technician Laney White surveys for Marbled Murrelet off the Central California Coast.

Photographs from a Mourning Dove (Zenaida macroura) found dead in Arizona, US.  (A) The crop (*) is distended primarily with milo.  (B) A green coating (arrowheads) is evident on the surface of the milo.