Wider Countryside Butterfly survey ... sightings.
Butterfly Conservation (Great Britain)
Centre for Ecology and Hydrology (Great Britain)
Title from PDF caption (UKBMS Web site, viewed May 28, 2019).
"The UKBMS is operated by Butterfly Conservation and the Centre for Ecology & Hydrology".
Latest issue consulted: year 13, year 5 (viewed May 28, 2019).
Butterflies
Butterflies
Butterflies
Wider Countryside Butterfly survey annual newsletter
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