3+ hour, 41+ min ago   (333+ words) A 2014 netting survey found native salmonids recovering. Water-quality readings were similar before and after treatment, and surveys found comparable invertebrate diversity. Alaska Fish and Game now records the invasive northern pike population as successfully removed. The Indiana Department of Natural…...

4+ day, 19+ hour ago   (646+ words) Lake trout's scientific name is Salvelinus namaycush. The genus Salvelinus is a type of fish that tends to live in cold waters, especially freshwater. They are known by several nicknames such as char and trout. Of these, the namaycush species…...

1+ week, 3+ day ago   (267+ words) Mountain goats now live in several national parks outside their native range, but they did not all arrive there in the same way. A species is considered nonnative when it occurs in a place because of direct or indirect human…...

1+ week, 4+ day ago   (683+ words) In 1800, as many as 50,000 grizzly bears roamed across the West, north into Canada and south into Mexico, with a range reaching east as far as Kansas and west to California. But when European settlers arrived in the West in the…...

2+ week, 4+ day ago   (1458+ words) WorldAtlas The National Parks Conservation Association counts roughly 600 threatened and endangered species across the National Park System. A few exist inside one park and nowhere else, in populations small enough to count by hand. Seventy-seven Devils Hole pupfish were counted…...

3+ week, 1+ day ago   (810+ words) Lake Superior holds the clearest example of a restored native fish among the Great Lakes. Lake trout were once the dominant cold-water predator throughout the Great Lakes, but commercial overharvest drove their numbers down, and invasive sea lampreys accelerated their…...