Some of our avian companions possess unique beaks. Birds like Rhinoceros Hornbill and Shoebill Stork have some of the most ...

But why is a barred owl more of a baritone, while a cedar waxwing is a soprano? And what influences a bird’s vocal range, and the kinds of sounds it can make? Beak size? Body size? Geography? To ...

Which beak movements are involved in such a sophisticated task? How fast does the beak move? To answer these questions, I'm recording high-speed X-ray videos of the feeding birds. Interestingly, I ...