"After an operation which affected his drawing hand, David Carstairs has had to stop drawing cartoons for British Wildlife. This will be very sad news for readers of Twitcher, as it is for me. David illustrated Twitcher's ramblings right from the start – a 20-year run of left-field observations, piercingly funny imaginings, and surreal visions of gigantic snails or toads doing all sorts of unlikely things, or wistful little figures staring at distant horizons."