Ornithologists say the chirping of birds at daybreak is part of their mating ritual. They tell me that increasing daylight, especially in the spring and early summer, triggers the mating instinct in ...

Add Yahoo as a preferred source to see more of our stories on Google. The wonderful sound of birdsong is one of nature's most purest pleasures. However, some birds have taken it to the extreme. Meet ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CHICAGO — If you’ve ever been up before the ...

That’s a great observation. Birds make all kinds of sounds and for lots of different reasons. When I got your question, I called up my friend Jessica Tir, a graduate student at Washington State ...

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 ...

Why do birds chirp so loudly in the early morning? I like to have my bedroom windows open, but the noisy birds seen determined to cause a harsh clatter. Ornithologists say the chirping of birds at ...