Welcome

The 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, Silver-spotted Skipper and the Striped Lychnis.

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


Find out more 

Brimstone - Matt Berry

Butterfly sightings

Send us your sightings and find out what has been spotted near you. 

Small Elephant Hawk-moth - James O'Neill

Moth sightings

Take a look at the moths you could find in your area, and send your sightings to our moth recorders. 

Get involved 

News

  • New sites for rare beetle discovered

    One of the UK’s most highly threatened and unusual beetles has been discovered in a number of new locations in the Cotswolds thanks to an innovative conservation scheme.

  • Street lights affect wildflower pollination

    Street lighting operating all night can alter the natural pollination of a common wildflower, a study involving Butterfly Conservation (BC) has revealed.

  • Environment Bill

    In July 2018 Prime Minister Theresa May announced that the Government would bring forward an Environment Bill. Butterfly Conservation (BC) understand that Defra are working on the draft of the Bill, to cover England and reserved matters in devolved countries, and this will be published before Christmas.

  • The nocturnal pollinators: scientists reveal the secret life of moths

    Scientists have discovered that moths may play a much broader role as plant pollinators than previously suspected.

Catch up on all our news

Events

See all our upcoming events

Volunteer with us

Butterfly Conservation relies on the support of thousands of volunteers, and we are always looking for more help inside the office and out in the field. Whether you want to volunteer at a local branch, get outside and help manage our nature reserves, or help with one of our events, we have something for everyone to get involved in! Your time can make a real difference.

Find out how to get involved.