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FWS | 2019
In semi‐arid ecosystems, timing and availability of water is a key uncertainty associated with conservation planning for wetland‐dependent wildlife. Wetlands compose only 1–3% of these landscapes;…
FWS | 2019
During 2019, the Avian Radar Project surveyed the migration of birds and bats in the Detroit, Michigan, area using mobile avian radar units. Sites located on Lake St. Clair and western Lake Erie…
FWS | 2019
Under the leadership of Dr. Steve Kloiber (steve.kloiber@state.mn.us), the Minnesota Department of Natural Resources (MN DNR) has completed a 10-year effort to update the State’s National Wetlands…
FWS | 2019
Tumbesian dry forest in southern Ecuador and northern Peru faces a number of threats from factors such as climate change, wildfire, and intensive livestock grazing that can result in degraded…
FWS | 2019
Cheatgrass (Bromus tectorum) is a highly invasive, non-native grass that threatens wildlife habitat, migratory corridors, and agricultural production in the sagebrush ecosystems of the western U.S.…
FWS | 2017
Documenting bird and bat migration is challenging because migration activity is sporadic and nocturnal migrants (i.e., most aerial migrants) are difficult to observe. The FWS uses avian radar to…
FWS | 2017
During winter, bald eagles (Haliaeetus leucocephalus) tend to congregate around any open waters within ice-covered rivers and lakes in the upper Midwest in their search for fish. Open waters…
FWS | 2017
Models of animal density commonly use coarse land cover categories that homogenize vegetation attributes, thereby limiting specificity of results. Alternatively, models including land surface…
FWS | 2017
Several National Wildlife Refuges (NWRs) in Alaska have joined in a large-scale collaboration across the Northwest boreal forest to study Lynx (Lynx canadensis) through the peak and crash of the…
FWS | 2017
The Bear River Migratory Bird Refuge, located west of Brigham City, Utah, where the Bear River terminates into the Great Salt Lake, is a critically important feeding, resting, and breeding area for…
FWS | 2017
On the Kenai National Wildlife Refuge near Headquarters Lake is a small colony of Aleutian terns that nest alongside Arctic terns. Aleutian terns breed in small colonies along the Alaskan coast…
FWS | 2017
The western U.S. Gulf of Mexico coast provides important habitat for migrating waterfowl and shorebirds. The Gulf Coast Joint Venture (GCJV) uses bioenergetic models (i.e., models that incorporate…