Ithaca, NY— New research published today in the journal Philosophical Transactions of the Royal Society B finds that territorial behavior and diet help explain why some birds sing more often at dawn.

Researchers have some new evidence about what makes birds make so much noise early in the morning, and it's not for some of the reasons they previously thought. For decades, a dominant theory about ...

WOLF: Yeah, it's beautiful. SUMMERS: Adrian Wolf knows birds. He once studied a threatened species called the streaked horned lark for over 10 years. WOLF: It has a piece in my heart, and it's little ...