A shared shape rule, the power cascade, governs most bird beak growth. It links modern birds with extinct dinosaurs.

Bird beaks come in almost every shape and size—from the straw-like beak of a hummingbird to the slicing, knife-like beak of ...

Even traffic or unfamiliar noises can cause the bird stress and potentially cause harmful alterations in their behavioral patterns ... “If you only live a couple years, one bad year isn ...

Millions of birds are flying over Mississippi every night for the next few weeks. You can help them move safely. Here's what ...