US social scientist Kenneth Boulding : ‘If you believe exponential growth can go on in a finite world, you are either a madman or an economist’.

Saturday, 19 March 2011

19/3/11: Pining for Coal Tits as Starlings vanish

Another roundabout sortie to the local shops on a sunny spring afternoon.

I have been hoping to find Coal Tits and/or Goldcrest in the large pines on the east side of Erith Cemetery for some time and, after exercising a fair bit of patience, I was rewarded with long-lasting views of a pair of Coal Tits foraging and, at one point sat still preening in close proximity to one another.

Other birds seen were Great Tit, Blue Tit, 2 Long-tailed Tits, Blackbirds, Robin, Carrion Crows and 3 Magpie. House Sparrows were heard by the gatehouse. The absence of the Starlings from the nearby Poplars was evident, but I did eventually stumble upon a rather bemused-looking lone individual which was very tolerant of my approach. Overall, species numbers were down on visits earlier in the year.

Grape Hyacinths were coming up in the gravelly tops of several memorials and I could only assume that they hadn't got wider traction on account of frequent mowing. A few moments of intensive searching found a couple of leaves of Birds-foot, mirroring its occurence on Hollyhill Open Space on the other side of the same valley.

The 'laughing' call of a Green Woodpecker and drumming of a Great Spotted Woodpecker were heard emanating from the nearby Erith Quarry site, and the stand of Gorse towards the north-west corner could be seen in flower through my binoculars.

The Council has lately made some improvements to the 'front' part of Northumberland Heath Recreation Ground with patches of Crocus and Daffodils in the grass, and several newly planted trees. But there is still much scope for improvement in terms of wildlife-friendly features - a strip of unmown grass round the margins would help. There were 2 Long-tailed Tits in the evergreens near the car park - where the native Gorse in the shrub bed - was flowering nicely and a Pied Wagtail and a couple of Starlings flying over, plus the usual House Sparrows and Carrion Crows. Starling numbers have suddenly declined markedly in this area too. Presumably most were winter immigrants.

I had been thinking earlier in the day that, after a long period of largely overcast weather (albeit with little rain) it felt like the sort of conditions in which one might get to see a butterfly and, lo and behold, there was a Peacock on the wing in the 'rear' section of the site - though nothing for it to feed on across the swathes of closely mown turf.

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