In 2015, an ornithologist conducting field work in Brazil heard a sound he hadn’t heard before. It was the call of a bird, and hoping to identify it, Rafael Bessa recorded the sound and played it back ...

A zoo is celebrating after helping to hatch three of the world's rarest birds - in what could be a “breakthrough" moment in saving the critically endangered species from extinction. The trio of ...

Scientists have discovered that the world's most dangerous bird can call to its mate at frequencies humans can't hear. In their native Australia, cassowaries have built up a fearsome reputation owing ...