Location: Meet: roadside car park (tiny—please car-share if possible) 300m N of Calvert X-roads: SP 681 250. Short walk, but uneven in places.
CALVERT JUBILEE RESERVE & GALLOWS BRIDGE FARM, BUCKS
Two BBOWT reserves. Calvert, a former clay-pit, has “chalkland” butterflies like green hairstreak, dingy and grizzled skippers. Scrub holds many warblers, incl. possibly nightingale. Three miles on, Gallows Bridge Farm, part of the important Upper Ray Meadows, has breeding curlew.
Leader: Chris Coppock
Time: 10 am to 1 pm
See the RSPB North Bucks Local Group website for more information