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Brandt's Bat (Myotis Brandtii)

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Brandt's Bat (Myotis Brandtii) European Community Directive on the Conservation of Natural Habitats and of Wild Fauna and Flora (92/43/EEC) Fourth Report by the United Kingdom under Article 17 on the implementation of the Directive from January 2013 to December 2018 Supporting documentation for the conservation status assessment for the species: S1320 ‐ Brandt's bat (Myotis brandtii) ENGLAND IMPORTANT NOTE ‐ PLEASE READ • The information in this document is a country‐level contribution to the UK Reporton the conservation status of this species, submitted to the European Commission aspart of the 2019 UK Reporting under Article 17 of the EU Habitats Directive. • The 2019 Article 17 UK Approach document provides details on how this supporting information was used to produce the UK Report. • The UK Report on the conservation status of this species is provided in a separate doc‐ ument. • The reporting fields and options used are aligned to those set out in the European Com‐ mission guidance. • Explanatory notes (where provided) by the country are included at the end. These pro‐ vide an audit trail of relevant supporting information. • Some of the reporting fields have been left blank because either: (i) there was insuffi‐ cient information to complete the field; (ii) completion of the field was not obligatory; (iii) the field was not relevant to this species (section 12 Natura 2000 coverage forAnnex II species) and/or (iv) the field was only relevant at UK‐level (sections 9 Future prospects and 10 Conclusions). • For technical reasons, the country‐level future trends for Range, Population and Habitat for the species are only available in a separate spreadsheet that contains all the country‐ level supporting information. • The country‐level reporting information for all habitats and species is also available in spreadsheet format. Visit the JNCC website, https://jncc.gov.uk/article17, for further information on UK Article 17 reporting. 1 Report on the main results of the surveillance under Article 11 for Annex II, IV and V species (Annex B) NATIONAL LEVEL 1. General information 1.1 Member State UK (England information only) 1.2 Species code 1320 1.3 Species scientific name Myotis brandtii 1.4 Alternative species scientific name 1.5 Common name (in national language) Brandt's bat 2. Maps 2.1 Sensitive species No 2.2 Year or period 2010-2016 2.3 Distribution map Yes 2.4 Distribution map Method used Based mainly on expert opinion with very limited data 2.5 Additional maps No 3.repSubAnnexVSpecies Information related to Annex V Species (Art. 14) 3.1 Is the species taken in the No wild/exploited? 3.2 Which of the measures in Art. a) regulations regarding access to property No 14 have been taken? b) temporary or local prohibition of the taking of No specimens in the wild and exploitation c) regulation of the periods and/or methods of taking No specimens d) application of hunting and fishing rules which take No account of the conservation of such populations e) establishment of a system of licences for taking No specimens or of quotas f) regulation of the purchase, sale, offering for sale, No keeping for sale or transport for sale of specimens g) breeding in captivity of animal species as well as No artificial propagation of plant species h) other measures No 2 Report on the main results of the surveillance under Article 11 for Annex II, IV and V species (Annex B) 3.3 Hunting bag or quantity taken in a) Unit the wild for Mammals and Acipenseridae (Fish) b) Statistics/ Provide statistics/quantity per hunting season or per quantity taken year (where season is not used) over the reporting period Season/ Season/ Season/ Season/ Season/ Season/ year 1 year 2 year 3 year 4 year 5 year 6 Min. (raw, ie. not rounded) Max. (raw, ie. not rounded) Unknown No No No No No No 3.4. Hunting bag or quantity taken in the wild Method used 3.5. Additional information BIOGEOGRAPHICAL LEVEL 4. Biogeographical and marine regions 4.1 Biogeographical or marine region Atlantic (ATL) where the species occurs 4.2 Sources of information Arnold, H., 1993. Atlas of Mammals in Britain.(Institute of Terrestrial Ecology Research Publication no. 6), London. Berge, L., 2007. Resource partitioning between the cryptic species Brandt's bat (Myotis brandtii) and the whiskered bat (M. mystacinus) in the UK, University of Bristol. Boye, P., Dietz, M. 2005. Development of good practice guidelines for woodland management for bats. English Nature. Brown, P.A., 2016. The Cryptic Group of Small Myotis Bats (M. Mystacinus, M. Brandtii and M. Alcathoe) and Habitat Use by Woodland Bats Species in Britain, University of Bristol. Dietz, C., Kiefer, A. 2016. Bats of Britain and Europe. Bloomsbury, United Kingdom. Ekman, M., de Jong, J. 1996. Local patterns of distribution and resource utilization of four bat species (Myotis brandti, Eptesicus nilssoni, Plecotus auritus and Pipistrellus pipistrellus) in patchy and continuous environments. Journal of Zoology 238, 571-580. Harris, S., Morris, P., Wray, S., Yalden, D. 1995. A review of British mammals: population estimates and conservation status of British Mammals other than cetaceans. JNCC, Peterborough. Jan, C.M., Frith, K., Glover, A.M., Butlin, R.K., Scott, C.D., Greenaway, F., Ruedi, M., Frantz, A.C., Dawson, D.A., Altringham, J.D. 2010. Myotis alcathoe confirmed in the UK from mitochondrial and microsatellite DNA. Acta Chiropterologica 12, 471-483. JNCC, 2013. Third Report by the United Kingdom under Article 17 on the implementation of the Habitats Directive from January 2007 to December 2012. 3 Report on the main results of the surveillance under Article 11 for Annex II, IV and V species (Annex B) Species S1320 - Brandt's bat (Myotis brandtii), Peterborough: JNCC, Available from: www.jncc.gov.uk/article17. Mathews, F., Kubasiewicz, L.M., Gurnell, J., Harrower, C., McDonald, R.A., Shore, R.F. 2018. A review of the population and conservation status of British Mammals. A report by The Mammal Society under contract to Natural England, Natural Resources Wales and Scottish Natural Heritage. Mitchell-Jones, T. 2010. Bats in houses-the conservation challenge. Species Management: Challenges and Solutions for the 21st Century. (Eds JJ Baxter and CA Galbraith.) pp, 365-378. Norberg, U.M., Rayner, J.M. 1987. Ecological morphology and flight in bats (Mammalia; Chiroptera): wing adaptations, flight performance, foraging strategy and echolocation. Phil. Trans. R. Soc. Lond. B. 316, 335-427. Parsons, K.N., Jones, G., Davidson-Watts, I., Greenaway, F. 2003. Swarming of bats at underground sites in Britain-implications for conservation. Biological Conservation. 111, 63-70. Ruedi, M., and Mayer, F. 2001. Molecular systematics of bats of the genus Myotis (Vespertilionidae) suggests deterministic ecomorphological convergences. Molecular phylogenetics and evolution. 21, 436-448. Russ, J. 2012. British bat calls: a guide to species identification. Pelagic publishing. Schober, W., and Grimmberger, E. 1989. Bats of Britain and Europe. Hamlyn, London. Speakman, J. 1991. The impact of predation by birds on bat populations in the British Isles. Mammal Review. 21, 123-142. Bat Conservation Trust, 2018. The National Bat Monitoring Programme. Annual Report 2017, Bat Conservation Trust, London. Vaughan, N., 1997. The diets of British bats (Chiroptera). Mammal Review 27, 77- 94. Richardson, P. W. 2000. Distribution Atlas of Bats in Britain and Ireland, 1980- 1999, Bat Conservation Trust. 5. Range 5.1 Surface area (km²) 5.2 Short-term trend Period 5.3 Short-term trend Direction Stable (0) 5.4 Short-term trend Magnitude a) Minimum b) Maximum 5.5 Short-term trend Method used 5.6 Long-term trend Period 5.7 Long-term trend Direction 5.8 Long-term trend Magnitude a) Minimum b) Maximum 5.9 Long-term trend Method used 5.10 Favourable reference range a) Area (km²) 109201 b) Operator c) Unknown d) Method Range is based on presence data collected between 1995- 2016. Areas that contain very isolated records may not have been included in the area of distribution. The new method for calculating range from Mathews et. al., 2018 has not been used for this species. Additional data for whiskered bat distribution in Scotland were provided after 4 Report on the main results of the surveillance under Article 11 for Annex II, IV and V species (Annex B) publication of the Mathews et. al. report and the JNCC 2013 method to assess range was used whereby a 45km alpha hull value was used with a starting range unit of individual 10km squares . Given these two species are difficult to tell apart it was more appropriate to use the same method for calculating range for Brandt's bat. 5.11 Change and reason for change Use of different method in surface area of range The change is mainly due to: Use of different method 5.12 Additional information The current distribution estimate for the species is based on all known records of whiskered/Brandt's bats since 1995 and is similar to that reported by Arnold (1993). The previous Article 17 Report (Joint Nature Conservation Committee 2013) is based on records described as Brandt's bats only, whereas the current estimate combines both species due to the difficulties of identification. Brandt's bat is widely distributed across England. However, it is probably under recorded due to its similarity in physical appearance to whiskered bat and its inability to be separated from this species easily through sound analysis, as the species echolocation calls are very similar. There is no evidence to suggest that this species range has declined for the specified time period. 6. Population 6.1
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