Emerging from a partially frozen pond more than 6,000 feet high in the Alps, European common frogs (Rana temporaria) set out to find mates and begin breeding activities. These frogs have adapted ...

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 ...

Spring is filled with so many cool and interesting natural things. The earth is awaking after a long and frozen sleep. Each year I am surprised when I hear my first frogs calling. It always seems ...