Bat Tree Habitat Key

Bat Tree Habitat Key Bat Tree Habitat Key (BTHK) is a free web-hosted document which can be downloaded from http://battreehabitatkey.co.uk/.

BTHK comprises descriptions and accounts of how Potential Roost Features (PRF) form in trees and how bat species native to the British Isles use them. It includes accounts from the front-line of some of the rarest species provided by professional bat-workers and committed amateurs alike. Anyone can contribute as the text is updated annually. Bat Conservation Trust has recently taken over the Bat Tree Habitat Key Project from Henry Andrews. We are very grateful to Henry for all of his hard work and for trusting that we are the right organisation to take the project forwards. We are currently working through a few changes and discussing how best to develop the project for the future so please bear with us. BCT is not regularly monitoring this page, we are only adding new records after they have been processed. Please note that members are not able to post information, only to comment on our posts.

Vicky Rusby is on a roll. We have another new roost tree. Thank you for submitting your records. :)During November 2025,...
21/08/2026

Vicky Rusby is on a roll. We have another new roost tree. Thank you for submitting your records. :)

During November 2025, Vicky found four Plecotus auritus roosting in a wound feature on a coppice Corylus avellana.

In September 2025, a Myotis brandtii was found behind a lifting- bark feature on a dead Fagus sylvatica by Robert Bell. ...
05/08/2026

In September 2025, a Myotis brandtii was found behind a lifting- bark feature on a dead Fagus sylvatica by Robert Bell. This finding was confirmed by a DNA swab test undertaken by Nature Metrics. Bat also seen in the roost.

Somewhere in Surrey, Eleanor Sheehan found a Quercus robur with a woodpecker hole feature containing a nursery roost of ...
17/07/2026

Somewhere in Surrey, Eleanor Sheehan found a Quercus robur with a woodpecker hole feature containing a nursery roost of up to ten Myotis daubentonii.

After finding the low-level butt-rot feature with a Plecotus auritus at the same site on the same day, back in October 2...
24/06/2026

After finding the low-level butt-rot feature with a Plecotus auritus at the same site on the same day, back in October 2025, Vicky Rusby found another Acer pseudoplatanus with a wound feature containing a Plecotus auritus.

In July 2025, an emergence survey of a woodpecker hole on a Cedrus libani by Lewis Cassidy counted three Nyctalus noctul...
20/05/2026

In July 2025, an emergence survey of a woodpecker hole on a Cedrus libani by Lewis Cassidy counted three Nyctalus noctula bats emerging from the feature. At least eight were seen emerging later in August.

During a survey in October 2025, Vicky Rusby found an Acer pseudoplatanus with a low-level, butt-rot feature containing ...
01/05/2026

During a survey in October 2025, Vicky Rusby found an Acer pseudoplatanus with a low-level, butt-rot feature containing a sleepy Plecotus auritus.

Address

Bat Conservation Trust, Studio 15 Cloisters House, Cloisters Business Centre, 8 Battersea Park Road
London
SW84BG

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