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Monday 13 June 2011

More Tree Sparrows



An afternoon circular North of Brighouse produced some good views (but not too close) of half a dozen Tree Sparrows, in and around a barn at Woolrow Farm. This is about a mile West of the established site at Jay House Lane, so these birds could either be from that site, or possibly be part of a new colony. The farm is at the end of a very narrow track which leads down to Bailiffe Bridge; map ref 152245

3 comments:

  1. Good record Mike. Looks like they may be expanding their range. I would think that Steve may be checking this.

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  2. Steve Blacksmith says....
    Jane Uttley and I checked as many boxes at the Jay House Lane site as we could reach with a step ladder on 29th May. Some need a long ladder to enable monitoring.

    We were a bit late for counting brood sizes in this exceptionally warm early season, but a summary of the survey is as follows.

    We opened 47 boxes, some with great or moderate difficulty. Standard boxes are better.
    I suspect the holes are too small on the new boxes for all but the smallest sparrows.
    Only one active TS nest. (5 warm eggs)
    6 used, successfully by TS
    5 new TS nests unused
    7 part-built TS nests
    1 dead TS brood, near fledging
    Other boxes were either empty or in use by Blue and Great Tits

    With thanks to Jane Uttley,
    Steve Blacksmith

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  3. Forgot to say, well found Mike!

    At the main site Jane and husband have now finished numbering all the remaining boxes.

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