Images

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

Mexican mojarra fish swim around a submerged log in a freshwater upwelling or cenote that runs into a coastal estuary.

Scanning shortnose sturgeon for PIT (Passive Integrated Transponder) identification tag, used to permanently mark fish.

Zoe Zyollewski handles an adult Atlantic salmon caught in the Connecticut River.

The island was severed by a breach that may have developed as the back bay drained excess water following the peak of the storm surge, although the breach could have been initiated by waves and surge from the Gulf side. More analyses are required to determine the forcing processes.

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.

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.

Heavy rains from a tropical cyclone struck the islands of the Comoros in March, 2014. On the island of Anjouan in the Union of Comoros, these rains triggered landslides that displaced over 3000 people to refugee camps. The USGS and the OFDA with USAID are providing support and research assistance on these events.

Heavy rains from a tropical cyclone struck the islands of the Comoros in March, 2014. On the island of Anjouan in the Union of Comoros, these rains triggered landslides that displaced over 3000 people to refugee camps. The USGS and the OFDA with USAID are providing support and research assistance on these events.

Capybara rests in its enclosure in a zoological park, it's the world's largest rodent.

Prairie Pothole Region landscape showing high wetland density.

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

Zebra Mussel (Dreissena polymorpha) vs Quagga Mussel (Dreissena rostriformis bugensis). The only two dreissenid mussels known to have been introduced into the US. Both the quagga mussel and zebra mussel are prolific breeders possibly contributing to their spread and abundance. The introduction of both dreissenid species into the

Fredericksburg geomagnetic observatory.

This southern sea otter is settling down to rest in a small patch of Egregia (feather boa kelp). Find more sea otter photos at the USFWS Ventura sea otter Flickr gallery.

Two wind turbines in a New York forest. 

Unlike their smiling cartoon brethren on television, since 2013, real-life sea stars have been suffering from a wasting disease epidemic in which they lose limbs and literally disintegrate in a matter of days. 

Yellow bellied flycatcher in the Presidential Range, White Mountains, NH

USGS scientist Carlos Rodriguez, deploying a sensor at Newmarket Creek at Mercury Boulevard in Hampton, VA.

Small debris-free plateau glacier with glacier lakes at Gangrinchemzoe Pass at 5,200 m, south of the main Himalayan divide, Bhutan. Image courtesy of Shuji Iwata, Tokyo Metropolitan University, Japan.

Nymph stage box elder bugs gather on the leaves of a hosta plant.