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Originally Posted by Hedge Witch  Hi Nightranger, this is an interesting report. I would love to know why Bolton has this North-South divide in terms of specific differences in habitat. Therein might lie the key to the decline Nationwide, I feel.
Thanks for posting this  |
Thanks for the interest in this subject. I am sure the decline is related to habitat loss in urban areas but it is a different matter in rural areas where food is probably the main factor. I am planning to investigate the areas in north Bolton at some point but there has been a big re-roofing programme in the area that may be important.
Ian