art artwork autumn harvest barge barrow bat bats Bedford Park Ben Eagle Blue House Farm Blue House Farm volunteers Blue House Farm work party brown eared bat burial Chafford Gorges Nature Park Chafford Gorges Nature Park volunteers Chafford Gorges Nature Park work party Chappel work party Chelmer Canal Trust Chelmer Canal Trust barbecue Cranham Marsh Nature Reserve Cranham Marsh Nature Reserve volunteers Cranham Marsh Nature Reserve work party Epping Epping Green Millennium Garden Epping Green Millennium Garden bat walk Epping Green Millennium Garden moth event Essex Essex Wildlife Trust Essex Wildlife Trust volunteers EWT work party Chappel exhibition exploring forage forest free Free fun day Free fun event From Wasteland to Playground: Lee Valley Regional Park at 50 fruits fungi fungus Great Leighs history Hullbridge Hythe Quay Knighton Woods learn learning Lee Valley exhibition Lee Valley Park Lee Valley Regional Park Leigh Liz Huxley Maldon mammal market Mersea Island moths owl pellets Peninsula photographic Phyllis Currie Nature Reserve Phyllis Currie Nature Reserve volunteers Phyllis Currie Nature Reserve work party produce Professor Tony Travers Roman sailing seabirds seeds Sylvia Jiggins talk talks Tendring Thames The Wick Country Park Tiptree Heath Tiptree Heath volunteers Tiptree Heath work party Tollesbury Wick Marsh Tollesbury Wick Marsh volunteers Tollesbury Wick Marsh work party Tollesbury Wick Marshes trade trapping Two Tree Island Two Tree Island volunteers Two Tree Island work party Upminster volunteers walk Waltham Abbey Wickford wild wild about the wetlands wild essex wild flowers wildlife work party