It's 8:45 p.m. on a warm spring night at Lydick Bog Nature Preserve, seven miles west of South Bend. As darkness creeps over the pond, a concealed orchestra comes to life, and the bog begins to sing!
Zak Mertz holds a spring peeper frog, moments before setting it free next to a vernal pool in Weymouth, Mass. Inside the New England Wildlife Center in Weymouth, Zak Mertz pointed to what he called a ...