| Method | Reference | Licence Required |
| Badgers | - Harris, S., Cresswell, P. and Jefferies, D., 1989. Surveying Badgers. Mammal Society
- Scottish Natural Heritage, 2003. Best Practice Guidance - Badger Surveys. Inverness Badger Survey 2003. Commissioned Report No. 096.
| Badger survey licence not required but NE licence for disturbance is. Site specific interference licence may also be required. |
| Otters | - National Rivers Authority, 1993. Otters and River Habitat Management. Conservation Technical Handbook Number 3.
- Royal Society for the Protection of Birds, 1994. The new rivers and wildlife handbook. (Eds. D. Ward, N. Holmes & P. José).
- Macdonald. D.W., Mace, G. and Rushton, S., 1998. Proposals for future monitoring of British mammals. Department of the Environment, Transport and the Regions and Joint Nature Conservation Committee.
| |
| Method | Reference | Licence Required |
| Bats | - Mitchell-Jones, A.J. and McLeish, A.P., 2004 (rev). The Bat Workers’ Manual.
- Mitchell-Jones, A.J., 2004. Bat Mitigation Guidelines.
- Agate, J. Bat Conservation Trust. NBMP Online Field Survey Tutorial, at: http://www.bats.org.uk/nbmp_tutorials/index.htm
- Bat Conservation Trust, 2007. Bat Surveys, Good PracticeGuidelines.
- Briggs, B. and King, D., 1998. The Bat Detective: A Field Guide to Bat Detection. Audio CD.
- Andrew Cowan Arboricultural Association, 2003. Trees and Bats: Guidance Note 1. Edition 2.
- Kelleher, C. and Wilson, J., 2008. The Bats of Ireland: How to Survey, Study and Identify Them. Bat Conservation Ireland, DVD
- Edited by Kunz, T.H., 1990. Ecological and Behavioral Methods for the Study of Bats. Smithsonian Books. 1990.
| NE/CCW licence required for most surveys Rabies vaccination required for all who handle bats NE licence required for works which may disturb bats or destroy roosts |
| Method | Reference | Licence Required |
| Water Voles | - Strachan, R., 2003 (rev). Water Vole Conservation Handbook. Wildlife Conservation Research Unit (WildCRU), Oxford University.
| Not in England and Scotland. May be required in Wales |
| Dormouse | - Bright, P. W. and Morris, P. A., 1989. A practical guide to dormouse conservation. The Mammal Society.
- Bright, P. W., Morris, P. A., and Mitchell-Jones, A., 2006 (rev). Dormouse conservation handbook. English Nature.
- Bright, P. W., Mitchell, P. & Morris, P. A., 1994. Dormouse distribution: survey techniques, insular ecology and selection of sites for conservation. Journal of Applied Ecology. 31: 329-339.
- Bright P & Morris P., 2005. The Dormouse. The Mammal Society.
- Chanin, P. and Woods, M., 2003. Dormouse Conservation Handbook. English Nature.
- Bright, P., Morris, P. and Mitchell-Jones, A., 1996. Surveying Dormice using nest tubes. English Nature Report 524.
- Chanin, P. and Woods, M., 2003. Surveying dormice using nest tubes. Results and experiences from the South West Dormouse Project. English Nature Research Report No. 524.
| Not required until first dormouse is found the NE/CCW disturbance licence is required |
| Red Squirrels | - Gurnell, J., Lurz, P. and Pepper, H., 2001. Practical Techniques for Surveying and Monitoring Squirrels. Forestry Commissionon behalf of the United Kingdom Red Squirrel Group.
- Gurnell, J., Lurz, P.W.W., Shirley, M.D.F., Magris, L. and Steele, J., 2004. A critical look at methods for monitoring red and grey squirrels. Mammal Review. 34: 51-74.
- Garson, P.J. and Lurz, P.W.W., 1998. Red squirrel Monitoring: the potential of hair-tubes for estimating squirrel abundance in conifer plantations dominated by Sitka spruce. Unpublished JNCC report.
- Gurnell, J. and Pepper, H., 1994. Red squirrel conservation field study methods. Forestry Commission Research Information Note 191. Forestry Commission.
- Finnegan, L., Hamilton, G., Perol, J. and Rochford, J., 2007. The use of hair tubes as an indirect method for monitoring red and grey squirrel populations. Biology and the Environment. 107B: 55-60
| No |
| Shrews/Voles/Mice | - Anthony, N.M., Ribic, C.A., Bautz, R. and Garland, T., 2005. Comparative effectiveness of Longworth and Sherman live traps.
| NE licence required for shrew trapping |
| Method | Reference | Licence Required |
| Brown Hares | - Edited by Chapman, J.A. and Flux, J.E.C., 1991. Rabbits, Hares and Pikas. Status Survey and Conservation Action Plan. International Union for the Conservation of Nature and Natural Resources.
- Reid, N., Dingerkus, K., Tosh, T., Paxton, C.G.M., Marques, T.A., Borchers, D.L., Montgomery, W.I., Marnell, F., Jeffrey, R., Lynn, D., Kingston, N. and McDonald, R.A., 2007. Status of Hares in Ireland: Hare Survey of Ireland 2006/07. Irish Wildlife Manuals No. 30. Department of Environment, Heritage and Local Government, Ireland.
- Hall-Aspland, S., Sweeney, O., Tosh, D., Preston, J., Montgomery, I. and McDonald, R., 2006. Northern Ireland Irish hare survey 2006.
| No |