Trends in populations of selected species (wild birds)

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Woodland, farmland, and sea birds					Water and wetland birds		Wintering wetland birds

Index (1970 = 100)					Index (1975 = 100)		Index (1975-6 = 100)

Year	All species (114)	Woodland species (38)	Farmland species(19)	Seabird (19)	Year	Water wetland species (26)	Year	All native species (46)	Wildfowl (27)	Wader species (15)

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