Images

Wing of Southwestern Willow Flycatcher nestling on band day in 2017. 

This mallard duckling was captured in Suisun Marsh. USGS scientists are weighing, measuring and banding waterfowl to understand how they are using the marsh and for capture-recapture data. 

Moving from one site to the next requires hauling needed gear along with. These three have their hands full taking things back to the truck after processing waterfowl from a maintained site. 

Researchers use wire mesh to construct traps for collecting waterfowl in Suisun Marsh, CA.

Two WERC technicians walk back from a placed trap with hands full. 

Brock, a USGS volunteer, walks out to a future waterfowl trapping site with a bucket full of rice in hopes that it will attract waterfowl to the area.

Young skunk with an ear tag ID. The USGS is studying the movement patterns of skunks and raccoons in Suisun Marsh, CA to learn how they use different landscape features, like levee roads, to navigate to waterfowl nests.

Taken 7/11/2017 at Grizzly Ranch, Suisun City, CA. USGS biological science technician Breanne Cooney builds a decoy waterfowl nest for an outreach demonstration. 

Taken 7/11/2017 at Grizzly Ranch, Suisun City, CA. USGS biological science technician Breanne Cooney builds a decoy waterfowl nest for an outreach demonstration.

Taken 7/11/2017 at Grizzly Ranch, Suisun City, CA. USGS biological science technician Breanne Cooney shows kids how to measure the vegetation surrounding waterfowl nests. Density and height of vegetation can influence the survival of waterfowl eggs and chicks and affect their risk of falling prey to ravens, skunks, and other predators.

Taken 7/11/2017 in Suisun City. The California Waterfowl Association hosts a "Youth Hunter Camp" for children at the Grizzly Ranch in Suisun City, CA. Here, a USGS employee and a child look through a tube at an egg to observe its contents.

Taken 7/11/2017 in Suisun City, CA. A USGS employee teaches children at the California Waterfowl Association's "Youth Hunter Camp" to measure the vegetation surrounding waterfowl nests.

Chinook salmon released into Yukon River in Alaska, USA.

Scientist preparing to release Chinook salmon into the Yukon River in Alaska, USA.

A fish wheel in the Yukon River, AK, where salmon and other species are caught by the net, funneled down the wooden board chute, and drop into a waiting net for studies on warming temperatures' effects on their physiology.

Biologist holding a Chinook Salmon over the Yukon River, AK.

Chinook and chum salmon drying on racks near a home off the Yukon River, AK.

A spreadsheet of data collected on Chinook salmon caught in the Yukon River.

USGS biological science technician Shannon Waters lifts a Chinook salmon out of a fish wheel in the Yukon River, AK.

WERC researcher conducting elevation surveys in San Pablo Bay National Wildlife Refuge

Coastal ecosystem studies at Trinidad coast, California.