Founded 1889 – Affiliated to Yorkshire Naturalists' Union

3 Sat
All-day
Wykeham and Dalby bat box checks
Wykeham and Dalby bat box checks
Oct 3 all-day
A check on the bat boxes at Wykeham, Broadhead and Dalby. Meet at Hackness village hall at 10.00am. Contact Nick Gibbons for further details.
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