Natural History Carnac (8 July 2014) 10 August 2014 Ian Alexander Mass of Dodder on Gorse at Carnac megalithic alignments, Brittany Stonechat hawking for flies from the great stones, to the song of Cirl Buntings Xanthoria (orange scales) and Ramalina (grey tufts) lichens on megalith Large heavily weathered megalith, older than the others in the alignment, i.e. incorporated into a redesigned or expanded system of stones at Le Menec, Carnac Cambridge Milk-Parsley Selinum carvifolia Cantharid and Oedemera beetles on umbel Brown hairy aposematic Grass Eggar (Lasiocampa trifolii) caterpillar crawling on ground