Distinguishing two species by their nocturnal calls: a challenge for conservation

18 August, 2025

As last chronicle rightly points out, the Bicknell’s Thrush is among the rarest and least understood breeding bird species in North America. One major obstacle to its conservation is the difficulty of conducting population surveys. This species spends the summer in the Appalachian Mountains, where access is limited, and winters in the mountains of the […]