The playful North American river otter is equally at home ... Fish are a favorite food, but they also eat amphibians, turtles, and crayfish. On land, river otters can bound and run quite well ...

The vast continent of North America is home to over 455 species of mammals and more than 910 birds, 660 reptiles, 300 ...

Our goals were to assess the effects of four PFAS commonly associated with AFFF use on aquatic and terrestrial life stages of three North American amphibians: Northern leopard frogs (Rana pipiens), ...

The relict leopard frog has the dubious distinction of being one of the first North American amphibians thought to have become extinct. Although the species was known to have inhabited more than 60 ...

The relict leopard frog has the dubious distinction of being one of the first North American amphibians thought to have become extinct. Although the species was known to have inhabited more than 60 ...