Upper Thames branch

Holtspur Bottom

Species to look out for


Welcome to the Upper Thames Branch of Butterfly Conservation.

AdmiralThe Upper Thames Branch covers Berkshire, Buckinghamshire and Oxfordshire, which includes the beautiful rolling hills of the Chilterns. It is home to several rare species of butterfly and moth, including the Black Hairstreak, Adonis Blue and Striped Lychnis Moth.

If you live in the region and are a member of Butterfly Conservation you automatically become a member of the Upper Thames branch.


Upper Thames Work Party

Thursday 28th July 2016, 10.00am-1.00pm

Join us for a ragwort-pulling session on our own reserve. We start at 10am and work for up to three hours.

Upper Thames: Field Meeting

Saturday 30th July 2016: 10.30am

Join the Upper Thames Branch at this site which is good for White Admiral butterflies, with many other species possible along this wide woodland ride. This event takes place during Big Butterfly Count.

Upper Thames: Field Meeting

Sunday 31st July 2016: 10.30am

Join the Upper Thames Branch on a walk to find butterflies of high summer. This event takes place during Big Butterfly Count.

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Your Records

Test thumb 1Your butterfly and moths records in the Upper Thames region are essential to our conservation work

Latest News

Duke Gets Back On Track!

One of the UK’s rarest butterflies is being encouraged to move to a new site next to a Buckinghamshire railway line to ensure its survival.

40 year slump for UK Butterflies

More than three-quarters of the UK’s butterflies have declined in the last 40 years with some common species suffering significant slumps, a major scientific study has revealed.

Planting To Protect Purple Butterfly

Wildlife lovers in Buckinghamshire are being asked to help a beautiful purple butterfly by planting oak trees on a Butterfly Conservation (BC) reserve.

View all Upper Thames branch news stories