Add Yahoo as a preferred source to see more of our stories on Google. Waking up to birds chirping can be relaxing. Waking up to a bird squawking in the middle of the night– well that’s just irritating ...

It’s 2 a.m. You’re snoozing in bed. The sun hasn’t risen, but the robin has. It is tuk-tuk-tuk-ing at an unnatural hour, waking you up. If this has happened to you, you’re not alone. Around the world, ...

“That tells us just how sensitive some birds are to changes in light — with clear implications for issues like light pollution and artificial light at night.”Bird-watching during an eclipseJust like ...