If you've ever been woken up before sunrise by the chirping of birds outside your window, you may have wondered: why do birds sing so loud, so early in the morning? The cacophony is mostly males, ...

Most birds stop singing when the sun goes down, but for some, the concert is just starting. Hearing birds sing at night is an ...

The other day, I was wandering my house in the middle of the night. I kept hearing a bird chirping. At 3 a.m.? He just kept chirping relentlessly. I began to wonder if it was some malfunctioning ...

When darkness sweeps across the landscape during a total solar eclipse, unusual things start happening. Fooled by the false dusk, birds stop singing, crickets start chirping, and bees return to their ...

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, ...

You may have noticed a lot of birds chirping outside your window before the sun rises at this time of year. Cornell University ornithology professor Michael Webster talks about the different theories ...

A new study shows male zebra finches must sing every day to keep their vocal muscles in shape. Females prefer the songs of males that did their daily vocal workout. Why do songbirds sing so much? Well ...

Just like babies in utero who get accustomed to their parents' voices from inside the womb, baby birds hear and absorb their parents' chirping and singing commands while waiting to hatch from eggs, ...