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Special Surveys

	The BIG Project
	The 2008 House Martin Survey
	Inland Observation Points or Daily Bird Counts

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© British Trust for Ornithology, BTO, The Nunnery, Thetford, Norfolk IP24 2PU, Tel: +44 (0)1842 750050 Fax: +44 (0)1842 750030 Email:
Registered Charity Number 216652 (England & Wales), SC039193 (Scotland). This page last updated: 8 June, 2009