The Micronesian kingfisher, however, survives mostly on a diet of grasshoppers, lizards, insects, and small crustaceans. This bird's large, strong beak is useful for drilling nest holes in trees ...

But, thanks to a spot of bird-watching, an engineer was able to fix the problem after he was inspired by a kingfisher. Listen to 30 Animals That Made Us Smarter to hear more about the kingfisher ...