The Countryfile Summer Diaries team continues to explore the wonders of summertime. John Craven is joined by Jules Hudson, Keeley Donovan and Margherita Taylor, who have been scouring the British Isles for tales of survival, celebration and seasonal inspiration. Find out if it is possible to farm lobster to safeguard wild stocks, and how climbers are helping to protect a rare upland bird. Plus, why wildflower meadows are in danger of becoming 'McMeadows' and what we can all do to stop this new phenomenon. And there are tips on how to keep quails from fledgling smallholder Paul Martin.