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

While rare, a few birds we studied were rule-breakers. One such rule-breaker is the Eurasian spoonbill, whose highly ...

In the video, posted by his wife Carrie Johnson, an ostrich slowly walks toward a car ... Once in front of Johnson, the bird quickly pecks its beak toward his hand. “Oh, Christ,” Johnson ...

In the video, posted by his wife Carrie Johnson, an ostrich slowly walks toward a car ... Once in front of Johnson, the bird quickly pecks its beak toward his hand. “Oh, Christ,” Johnson ...

Boris Johnson Gets a Surprise Peck From an Ostrich in Texas Former British Prime ... Once in front of Johnson, the bird quickly pecks its beak toward his hand. “Oh, Christ,” Johnson yells ...