A bird beak is the most important resource it has ... evening grosbeaks and purple finches have thick, short beaks designed for breaking open seeds with ease. The next time a bird lands at ...

How fast does the beak move? To answer these questions, I’m recording high-speed X-ray videos of the feeding birds. Interestingly, I discovered some fascinating differences in beak movement ...

The birds have been named for Darwin ... the ground finch has a short beak adapted for eating seeds buried under the soil, and the tree finch has a parrot-shaped beak suited for stripping bark ...

this time relating to the genetic basis for the proper development of bird beaks. Darwin's finches consist of fourteen different species with beak shapes specialized to obtain food from various ...