Turn Up the Volume: Spring Can Get Loud, Led By High-dB Frogs

FROGS KICK UP THE dB: With the arising warmth on the mainland, season-harbingering spring peepers are already sounding off. Their piercing mating calls resonating even during near-freezing nights.

Peepers are among the shallowest burrowing hibernators, snapping out of their winter stupors long before most other coldblooded creatures. They are joined by far less vociferous ice-tolerant wood frogs.