An online survey is being run by Haringey Council (Haringey residents only) about garden usage and, in particular, wildlife in gardens. The survey is being hosted by Greenspace Information for Greater London (GiGL), the capital's open space and biodiversity records centre.
When I left Whiteman Road in 2004 (the railway side) there was a family of Jays that made the squealing train wheels bearable, wrens, field mice. The sparrows had almost disappeared, (thousands of them a couple of years earlier in Stanhope Gardens (also backing onto train tracks)), The Jays were the most unusual things. Japanese knotweed on the rampage, but found that blanching it and then putting weedkiller on knocked it completely on the head, discovered cos fence fell down for a while, and when lifted to fix, the knotweed was white and horizontal and gave up the ghost immediately when it was attacked.. Love Ash Trees, but their seedlings are much worse than sycamore to remove, more invisible to notice (der - sorry about the grammar) and very long tap root immediately. A while ago - but might help. I discovered that the oak tree I found growing in the centre of my laawn that I thought was planted by squirrels (plenty of them) was more likely planted by a Jay, after watching one one day, squirrels bury their quarry more secretively, not so much in the middle of lawns! Enough now x