One of the joys of being a father is being able to drive your family to distraction. Few habits annoy mine more than me using my mobile phone to jot down the birds I see and hear on walks and then send the data to the British Trust for Ornithology’s BirdTrack.

Source: Join the binoculars-wielding army in the name of citizen science, says John Ingham | John Ingham | Columnists | Comment | Express.co.uk