The group has been participating in roost counts for many years, results are shown below. The peak number of roosts counted in a year in recent times was the year before Covid, 2019.
2022
The first year with limited Covid-19 impact. There was one more roost emergence counted in 2022 than last year. But the numbers counted remain down on peak 2019 levels, with only 50% of the number of 2019 roosts counted in 2022.
- 4 Common pipistrelle roosts counted (+2 on 2021, back to 2019 level)
- 1 Brown Long Eared roost counted (same as 2021, -1 on 2019)
- 1 Greater Horseshoe roost counted (-2 on 2021 and 2019)
- 6 Lesser Horseshoe roosts counted (+3 on 2021, -1 on 2019)
- 1 Natterer’s roost counted (-1 on 2021 and 2019)
- 1 Serotine roosts counted (-1 on 2021 and 2020)
- 0 Soprano pipistrelle roosts counted (same as 2021, -1 on 2019)
More details of Roost emergence count maps for 2022 are on the BCT website.
2021
The Covid-19 pandemic is still having an impact this year, with numbers counted very similar to 2020.
- 2 Common pipistrelle roosts counted
- 1 Brown Long Eared roost counted
- 2 Greater Horseshoe roosts counted
- 3 Lesser Horseshoe roosts counted (+1 on 2020)
- 2 Natterer’s roost counted
- 2 Serotine roosts counted
2020
The Covid-19 pandemic had a big impact, but some roosts were still counted.
- 3 Common pipistrelle roosts counted (-1 on previous year)
- 0 Soprano pipistrelle roosts counted (-1 on previous year)
- 1 Brown Long Eared roost counted (-1 on previous year)
- 2 Greater Horseshoe roosts counted (-1 on previous year)
- 2 Lesser Horseshoe roosts counted (-5 on previous year)
- 2 Natterer’s roost counted
- 2 Serotine roosts counted (+1 on previous year)
2019
- 4 Common pipistrelle roosts counted
- 1 Soprano pipistrelle roost counted
- 2 Brown Long Eared roosts counted (+2 on previous year)
- 3 Greater Horseshoe roosts counted (+1 on previous year)
- 7 Lesser Horseshoe roosts counted, with bats found at 6
- 2 Natterer’s roost counted (+1 on previous year)
- 1 Serotine roost counted
Roost emergence counts – Interim Somerset results map