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’.

Tuesday, 7 September 2010

7/9/10: More from Barnehurst and Cray valley - with Lizards and new TRW invert records

A sunny morning as I set off for more volunteering work on the River Cray.

Breasting the hill on Barnehurst Golf Course there were a lot of Roesel's Bush Crickets buzzing in the grass at the margin of the 'rough' (wildlife area). A quick search yielded a 'visual' on one specimen just to be sure. A great view of a Jay carrying an acorn in its mouth was had on the eastern margin of this patch. A Chiffchaff was heard calling from the mature Poplars here.

Pellitory-of-the-wall living up to its name at St. Paulinus Church, Crayford

An 'escaped' Antirrhinum was also in growing out from the wall here

By the Cray along footpath 106 were Trifid Bur-marigold and various 'escapees' such as single plants of Wheat, Oats (presumably from bird seed) and a Hollyhock.

Down at the Thames Road Wetland (TRW) one of the self-appointed 'Conservation Grazing Managers' had reappeared, and was happy to follow me around the east end of the site - which is cut off from the rest by the River Wansunt and a short stretch of barbed wire 'fence' - but he wasn't quite trusting enough to let me get the punk 'bling' of Burdock seeds out of his mane and tail.

The inquisitive TRW 'Conservation Grazing Manager' sports a mane full of Burdock seed heads

Here on the east side of the Wansunt I added another two species to the TRW tally, a female Wasp Spider in her web, and Long-winged Conehead Crickets at the margins of a Reedmace bed.

Female Wasp Spider (Argiope bruennichi), and her shadow, on the east bank of the Wansunt, at TRW, in the late afternoon sun

Elsewhere in the valley of the Cray today, a number of Common Lizards were seen basking on various bits of 'rubbish'.

Three adult Common Lizards bask together on a discarded black plastic bin

A juvenile makes use of the thermal properties of an old tyre

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