Sir David Attenborough doesn’t see himself as a ‘national treasure’ and jokes he would need ‘upfront payment’ for Planet Earth III

Natural Curiosities: Sir David Attenborough returns to screens in June on W [Humble Bee Films / W / UKTV ]

Britain’s favourite naturalist was recently voted the country’s fantasy Prime Minister by a recent poll.

For many – including royalty – the 91 year old is considered a national treasure.

But at a recent press day with OK! Online and others, the legendary broadcaster rubbished the title and revealed he has his doubts.

David said: “Who says it anyway? 

Queen …