Prisoners asked to be birdwatchers from cells by counting birds in RSPB ... trends now
Prisoners are being encouraged to become twitchers and to take part in the RSPB's annual Big Garden Birdwatch - counting and logging the birds they see from their cell windows.
The event - the world's largest wildlife survey - takes place this weekend with around 500,000 Brits taking part each year.
Participants count all the birds which land over a one-hour period - between 8-10m birds are normally counted.
And this year, convicts are being invited to take part by looking out of their cell windows and noting down any birds they spot.
Prisoners are being encouraged to become twitchers and to take part in the RSPB's annual Big Garden Birdwatch. Pictured: A robin in Rainham Marshes, an RSPB nature reserve
The most common birds spotted from cells last year were robins, wood pigeons, blackbirds and crows - but some rare sights included a curlew at HMP Frankland (pictured) and a mistle thrush at HMP Bure
Inmates taking part have received a 'bird ID chart' showing 18 of the most common birds in the UK, including a blue tit, collared dove, wood pigeon, robin, blackbird, magpie and sparrow.
Some lags have even been handed binoculars, to use 'under supervision' - which have to be