A high-pitched, staccato whistle rang out across the shore. To Bruce Beehler’s teenage ears, the sound was unfamiliar. It was 1969, and he stood with his mom along the rocky coast of Maine visiting a ...

With names like “knobby rams-horn,” “masked duskysnail” and “Hoko vertigo,” Pacific Northwest mollusks may have an amusing image, but they’re also some of the most intriguing invertebrates in the ...