What makes mountain birds sing at dawn – and why are they sometimes quiet? Ecologists explain

Warblers in high mountain wetlands change their dawn singing with temperature, rain, wind, humidity and moonlight, showing ...

Scientists are learning how noise affects Bay Area wildlife as they work to conserve wetland birds amid a roaring urban soundscape

The Bay Area is a permanent or temporary home for 250 different species of resident and migratory birds. Noise can affect ...