A new study details the evolutionary change of Anna's Hummingbirds, finding their beaks have grown longer and more tapered to ...

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 ...

With plenty of artificial nectar available, Anna’s hummingbirds have expanded their range northward and their beaks have ...

Birds are susceptible to many health conditions, from vitamin deficiencies to respiratory infections. Yet, scissor beak is ...

TikTok/Mulberry Acres Rescue When Winnie’s owner was no longer able to care for her and five other birds, the owner’s family ...

The morphospace defined by the power cascade shows how bird beak shape explores the geometries associated with ecological specializations while adhering to the growth model. We show that the power ...

They also studied museum specimens of Anna's Hummingbirds dating back to the 1800s — well before the popular outdoor bird feeders existed — providing a range of beaks to measure over about 10 ...