Thank you, Jacksparrow - I concur with your guess but would like to add that all this began with the introduction by Specexpress of the little-known Ban On Buzzards. This 'buteoist' move was slipped through Parliament last Friday while everyone was at Chequers.
The result is that buzzards (none of whom are getting any younger) cannot spot the small rodents
due to failing eyesight exacerbated by the glare from the everlasting
Another example of unintended consequences