A bird beak is the most important resource it has, and every species has one solely designed for survival. Birds use beaks for just about everything: building nests, feeding their young, cleaning ...

Notice the different types of beaks and how their shapes dictate a bird’s dining habits — particularly the way it consumes black oil sunflower seeds, a highly preferred food among feeder birds.

A bird’s beak colour can change due to various factors like age, diet, hormones, or seasonal changes. For example, some birds develop brighter beaks during mating season to attract partners.

In this Bird of the Week segment, Stacia Brezinski with the Maine Audubon teaches us about a piece of eye candy known as the ...

Finch Beak Data Sheet: Few people have the tenacity of ecologists Peter and Rosemary Grant , willing to spend part of each year since 1973 in a tent on a tiny, barren volcanic island in the Galapagos.

Elaboration was found to be important for small variations within groups of species, but innovation is important for the evolution of new types of beak; A new study, using the digitised scans of beaks ...