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 ...

A pair of bald eaglets near Bonne Terre, Missouri, recently almost faced such an outcome. But thanks to a local man’s quick ...

Bird beaks come in almost every shape and size—from the straw-like beak of a hummingbird to the slicing, knife-like beak of an eagle. We have found, however, that this incredible diversity is ...

Kathleen Garland receives funding from the Australian Government, Monash University and Museums Victoria. Alistair Evans receives funding from the Australian Research Council and Monash University ...