As colder weather sets in, the frogs then distribute extreme levels of glucose through their bodies, with it concentrating in the heart, liver, skeletal muscles and blood. Minnesota has four types of ...

The frogs were all wrong. Located in a small pond in Henderson, Minn., the amphibians discovered by a middle school class had legs growing out of legs, missing eyes, bent spines and contorted jaws.

Cope's gray tree frog. Northern cricket frog. Great Plains toad.

The fast melt back in March brought many quick awakenings to the Northland. The carpet of spring wild flowers in the woods unfolded about two to three weeks earlier than normal. We saw similar ...

If it quacks like a duck, it’s a wood frog. If it sounds like sleigh bells jingling, it’s a spring peeper. If it sounds like someone shaking ball bearings in a tin can, that’s a rare Blanchard’s ...

When frog males attempt to attract a mate, their loud calls are competing with other males, and the calls of other species. For the females the noise problem is a little like a lively cocktail party.

LONG LAKE, Minn. — Half an hour past sunset in rural western Hennepin County, Madeleine Linck strains her ears. She’s listening, believe it or not, for the sounds of courtship. Frog courtship, that is ...

April is such an amazing month of change and we have seen it again this year. Early, we had temperatures of less than 10 degrees and a week later, we climbed to 70 degrees. In this warmth, melting of ...