Patrick Coulcher will give an illustrated talk on the natural history of the Scottish Highlands and Islands to the Bexley RSPB Group on April 15 at Hurstmere School, Hurst Road, Sidcup at 7.30pm. Non-members welcome. Admission £4.50.

Lesnes Abbey Conservation Volunteers are looking for help as they repair the traditional wooden fences which protect the woodland’s wildflower enclosures on April 17. If you would like to join in and learn traditional fencing skills join the volunteers behind the information centres at the Lesnes Abbey ruins off Abbey Road, Abbey Wood at noon or call 020 8317 3748 .

Friends of Danson Park is an active and enthusiastic group of local people formed to safeguard support and promote the interests of the Welling park. It meets on the last Tuesday of every other month except July, at the Boat House in the park off Danson Road at 7.30pm. Membership is free and new faces are always welcome.

Latest results from the RSPB’s Big Garden Birdwatch in London, show the continuing decline of the once-common sparrow and starling. Despite both birds coming in the top five of sightings this year, the RSPB says: “Something is causing their numbers to tumble and despite extensive research, we are not yet in a position to reverse that.” The most common sighting was the starling, followed by wood pigeon, blue tit, sparrow and blackbird.