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 ...
Thaw slump on the Peel Plateau, which exposes sulfide and carbonate minerals in glacial sediments to surface weathering reactions in lower slope regions with relict ice (Credit: Suzanne Tank) ...
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 ...