Do you know why blue-footed boobies have blue feet? Author Laura Erickson does, and you’ll find the answers to this and many other great questions in her book, The Bird Watching Answer Book. (For the ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ...

Birds can fly— at least, most of them can. Flightless birds like penguins and ostriches have evolved lifestyles that don’t require flight. However, there’s a lot that scientists don’t know about how ...

“How do you make a hinge? Look at a fruit fly.” Princeton’s Bio-Inspired Adaptive Morphology (BAM) Laboratory, headed by Assistant Professor in the Mechanical Science and Engineering Department Aimy ...

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...