Birds have one more photoreceptor than humans: ultraviolet. Here, from left to right, are eggs as we see them and simulations of what...

Birds use their beaks for a variety of tasks, including eating, exploring, nest excavation and defense. A clear definition for each type...

Sprouted seeds are more nutrient-dense as they are high in vegetable proteins, vitamins, minerals, enzymes, and chlorophyll. Sprouted...

An international team of scientists led by Duke University researchers has uncovered key structural differences in the brains of parrots...