Images

A complete shell of a horseshoe crab lies in the tidal line on a beach among dried seaweeds.

Prop roots of the red mangrove line the banks of a coastal marine estuary.

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

Sandhill Cranes fly in close proximity to wind turbines near Horicon National Wildlife Refuge in east-central Wisconsin, but to date no crane mortality has been associated with turbines in this area.

Acacia thorns are stacked into hedges used as fences to protect land and livestock.

Researchers walk along a fence constructed of giant reed grass that separates agricultural fields.

A magnitude 4.8 earthquake struck the island of Anjouan in the Union of the Comoros on March 12, 2014.  Heavy rainfall trigger landslides and damages were incurred to buildings, roads, and water supplies. As a precaution, more than 3,000 citizens were moved to a refugee camp.

A magnitude 4.8 earthquake struck the island of Anjouan in the Union of the Comoros on March 12, 2014.  Heavy rainfall trigger landslides and damages were incurred to buildings, roads, and water supplies. As a precaution, more than 3,000 citizens living below the landslides were moved to a refugee camp.

Goats forage in an Argan tree.

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

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

Zebra mussels are small, averaging about an inch long. Two inches is approximately the maximum size.  

A crew of USGS Georgia Water Science Center hydrologic technicians had to use "alternate" transportation on Interstate 20 west of Atlanta to measure the epic 2009 Atlanta floods.

Above (top of picture) and below (bottom of picture) image of mangroves in Otter Creek where corals grow under and attached to mangrove prop roots.

Magnolia warbler in the Presidential Range, White Mountains, NH

USGS scientists working at Ziegler Reservoir near Snowmass Village, Colorado. 

A coyote walking in dry creek bed of streamside scrub vegetation dominated by the native plant, mule fat (Baccharis salidifolia), about 20 days before the fire. In their wildlife research, USGS scientists position camera traps along trails and dry creek beds, places that are likely to be travel routes for carnivores.

USGS videographer Steve Wessells interviews USGS scientist Dr. Robert Fisher about the ecological effects of the Harris Fire. Dulzura Creek.