Bats are amongst our most fascinating and enigmatic wild animals. We still know very little about most of our species. What we do know however is that populations of all our commoner species have decreased greatly over the last 60 years. One species recently became extinct in Britain and others are now seriously endangered. The Herts and Middx Bat Group are working to further bat conservation in Hertfordshire and Middlesex. We also provide advice and information for householders and landowners and hope that you find our website a useful resource. Please don't hesitate to contact us if you have a bat related query.
The bat pictured above is a Nathusius' pipistrelle
Need help with a bat
HMBG bat helpline number: 07517 123 200 or if that is unavailable please call the BCT helpline on 0345 1300 228 at the very first opportunity rather than using email.
Call this number for bat welfare emergencies only.
Please email for all other enquiries.
For non-urgent or general enquiries concerning the Group and bats please email us on: email@example.com
A Bat's life: May
May is a busy month for bats particularly females who are finding suitable nursery roosts and establishing their maternity colonies. For pregnant bats gestation will last for 40-50 days in smaller species and up to 70 days in lager bats. In exceptionally favourable years females begin giving birth before the end of the month, but most babies arrive from mid-June onwards. Males will be largely separate in their own roosts (individually or in small groups) and are not involved in the raising of young.
Bats will be active most nights but will still occasionally return to periods of extended torpor during cold spells.
If you have found a bat which you believe may require help (i.e. one that’s grounded, in the open during daylight hours, caught by a cat, or within the living area of your property) then please call us on 07517 123 200 or if that is unavailable please call the BCT helpline on 0345 1300 228 at the very first opportunity, rather than using email. We can respond much quicker and we'll guide you through some immediate steps which will reduce your concerns and greatly increase the bat's chance of survival and recovery. Grounded bats in particular need protection from cats and inclement weather as soon as possible. If you find a bat flying around inside your property please refer to the ‘Need help with a bat?’ section of the website.