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

Catch up on all our news

Events

  • Upper Thames: Work Party (19)

    Wednesday 21st August 2019, 10:00am-1:00pm

    Holtspur Bottom, West Of Beaconsfield, Bucks

    Join the Upper Thames Branch pulling ragwort at our Holtspur Bottom reserve.

  • Upper Thames: Work Party (20)

    Thursday 29th August 2019, 10:00am-1:00pm

    Holtspur Bottom, West Of Beaconsfield, Bucks

    Join the Upper Thames Branch pulling ragwort at our Holtspur Bottom reserve.

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.

Branch information

In your area

Contact branch