But he and his colleagues have discovered some truly fascinating clues that a bird called the great tit may be evolving longer beaks to access ... of great tits, a yellow-and-black songbird ...

This was a surprise because great tits are thought to be nearly alike throughout their entire huge range (yellow ... beak gene variant visited bird feeders more often than those with the short ...

But the vibrant and colourful beaks are one among those features that often steal the show. While many birds have basic brown or black bills ... turns bright orange, yellow, and blue during ...

A woodpigeon is typically 40-42cm long with a wingspan of 75-80cm. They are a common breeding species here and are found all ...

Starlings have long pink legs and short tails ... is glossy black with a blue-green sheen and with faint spotting on the back and undertail. They have pointed, yellow beaks with a blue-grey ...

But the vibrant and colourful beaks are one among those features that often steal the show. While many birds have basic brown or black bills ... turns bright orange, yellow, and blue during ...