The common blue is brighter and the holly blue has plain azure-blue wing upper sides without black borders. Black spots on the large blue's forewings distinguish it from all other blue butterflies. This will allow for observation of social distancing and reduce damage to the large blue habitat and therefore population. Only two other blues occur on Collard Hill: the common blue and holly blue both are smaller than the large blue, and they fly earlier in the season. When the winds have calmed and the sun has found its way through the clouds, we’ve had some great sightings of our beautiful Large Blues…

Our fact sheet has details on accessing the Large Blues at Collard Hill, including when to visit and where to park. Sun and rain have been alternating on Collard Hill over the past few days and since Monday we’ve walked the butterfly transect twice. We hope to limit the number of visitors on site this year to protect you and the large blue butterfly. Conservation volunteers at Collard Hill in Somerset are said to have watched Phillip Cullen chasing and swiping at a Large Blue butterfly with a … See one of Britain’s rarest butterflies in the wild. Parking is available at Ivythorn Hill YHA, with pedestrian access only to Collard Hill. Otherwise please call the Large Blue phone line (07824 820193) from early June through to mid-July. The rare Large Blue butterfly primarily resides in heaths, sand dunes and hillsides Record numbers are expected of a rare butterfly that was reintroduced to … A previously extinct butterfly, the large blue, has enjoyed its best UK summer on record thanks to the lovely weather and a determined conservation effort on hills … Collard Hill in the Polden Hills in Somerset was set up by the National Trust as an open access site, which means that it is the only site that the public can go and watch this very rare butterfly in situ.