This ancient feature was initially created by Archaic cultures and completed by Woodland period cultures. Its height was reached by the discarding the shells of their food source - oysters, clams, and other mullosks. over a 6,000 time span. Once...
This ancient feature was initially created by Archaic cultures and completed by Woodland period cultures. Its height was reached by discarding the shells of their food source - oysters, clams, and other mollusks over a 6,000 time span. Once used as...
Two FWS biologists tagging a wood stork. Wood storks are widespread in Central and South America, but declined to alarmingly low numbers in the United States. At the turn of the century, there were over 150,000 wood storks living in Florida,...
During the early 1800s, wood bison numbers were estimated at 168,000, but by the late 1800s, the subspecies was nearly eliminated.
Excessive hunting was the primary factor leading to population decline. Another factor that is thought to have played...
Wood bison are the largest native land mammals in the Western Hemisphere, 10 to 15% heavier than plains bison. Bulls are slightly larger than cows and average around 1,800 pounds, but can get up to 2,000 pounds. Both males and females have short...
Invasive species; Interpretation; Photography; Mammals; Rodents; Work of the Service; Wildlife management; Wildlife refuges; Employees (USFWS); Education;
While filming at the Tualatin River National Wildlife Refuge, Paul Heimowitz explains how a breeding pair of nutria can multiply to 16,000 in just three years. The USFWS and Pangolin Film's have joined in an effort to create awareness surrounding...
Midway Atoll National Wildlife Refuge is host to the largest remaining colony of albatross in the world. The colony can include more than 500,000 nests on a given year. This image shows typical nest density in areas without the invasive plant,...
An underwater shot of a reef at Tern Island in Kanemiloha'i/French Frigate Shoals on the Hawaiian Island National Wildlife Refuge. The extensive coral reefs found in the Papahānaumokuākea Marine National Monument - truly the rainforests of the...
A lobster peeks out from its shelter in a reef near Tern Island. The extensive coral reefs found in the Papahānaumokuākea Marine National Monument - truly the rainforests of the sea - are home to over 7,000 marine species, one quarter of which...
Pearl and Hermes Atoll is a large atoll with several small islets such as the ones shown here, forming a total of 96 acres of land surrounded by over 300,000 acres of coral reef habitat.
A K-Max Type 1 helicopter drops almost 1,000 gallons of water on the Lateral West Fire burning at Great Dismal Swamp National Wildlife Refuge, Suffolk, VA.
A spiderwort wildflower in the South Daokta prairie in the heart of the Dakota Grassland Conservation Area. The area – which encompasses 1.7 million acres of grassland and 240,000 acres of wetland across a swath of eastern South Dakota, North...
Leadplant in the South Daokta prairie in the heart of the Dakota Grassland Conservation Area. The area – which encompasses 1.7 million acres of grassland and 240,000 acres of wetland across a swath of eastern South Dakota, North Dakota and...
A pasque flower in the South Dakota prairie in the heart of the Dakota Grassland Conservation Area. The area – which encompasses 1.7 million acres of grassland and 240,000 acres of wetland across a swath of eastern South Dakota, North Dakota and...
Bear River Migratory Bird Refuge, Brigham City, Utah 74,000 acres of river delta spill across the Great Salt Lake valley welcoming hundreds of species of waterfowl, shorebirds and raptors. Goldeneye, lesser scaups and American wigeon are just a few...
San Joaquin River NWR, Los Banos, California: San Joaquin River National Wildlife Refuge is a fairly new refuge in central California. There are no visitor facilities at this time. This refuge will eventually encompass 10,000 acres along a...
Johnston Island NWR, Honolulu, Hawaii, Pacific Islands Complex: Johnston Island is one of several tiny unpopulated islands spanning more than 12,000 miles in the Pacific Ocean west of Hawaii. Because they are unpopulated and seldom visited,...
