“and the Dutch honey buzzard is also failing to adapt to the earlier appearance of wasps, which it eats.”

“‘Our study shows that sometimes individuals can be very flexible in their behaviour,’ said Ben Sheldon.

‘What we want to do is to try and understand why some species are flexible and others aren’t - it’s the ones that aren’t flexible that are going to be at risk.’”

I’m glad that naturalists are studying great tits. The world would be a lesser place without great tits. Many Brits have days made better by the presence of great tits, even if unseen by the naked eye.