Dawn Chorus: David Hockney in the south of France, Christmas lights, quiz, and how to eat a hamburger like the royals

A painting from Hockney's time in the south of France sells well at Sotheby's, an ambitious plan to save Scotland's capercaillie, plus you've been eating hamburgers wrong.

A painting from Hockney's time in the south of France sells well at Sotheby's, an ambitious plan to save Scotland's capercaillie, plus you've been eating hamburgers wrong.