Dr Craig Shuttleworth
Honorary Visiting Research Fellow

Affiliations
Links
- https://twitter.com/Welshsquirrels
Personal account - https://twitter.com/RedSquirrelsinW
Welsh red squirrel conservation - https://www.facebook.com/groups/143610382316300
Welsh red squirrel conservation - https://pinemarten.net/
The Gwynedd pine marten project - https://www.linkedin.com/in/craig-shuttleworth-6062a1253/
Personal page
Contact info
Mobile 07966150847
Email c.shuttleworth@bangor.ac.uk
- Published
Grey squirrel nesting ecology and the use of nest sites in European population management
Shuttleworth, C., Selonen, V. & Koprowski, J. L., 2016, The grey squirrel: ecology and management in Europe. Shuttleworth, C. M., Lurz, P. W. W. & Gurnell, J. (eds.). European Squirrel Initiative, p. 349-369Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
- Published
Why the pine marten is not every red squirrel’s best friend
Shuttleworth, C. & Hayward, M., 2019, The Conversation.Research output: Other contribution
- Published
Turning the grey tide: progress in red squirrel recovery
Shuttleworth, C., 1 Jun 2010, In: Ecos. 31, p. 27-35Research output: Contribution to journal › Article
- Published
Red squirrel conservation and disease - Adenovirus in Wales
Shuttleworth, C., 2014, In: Natur Cymru. 52, p. 41-44Research output: Contribution to journal › Article
- Published
Shared experience of red squirrel conservation practice
Shuttleworth, C., Lurz, P. W. W. & Halliwell, E. C., 2015, European Squirrel Initiative. 220 p.Research output: Book/Report › Book
- Published
Red squirrels (Sciurus vulgaris) on the Sefton Coast: The conservation value of nest boxes
Shuttleworth, C., 1995, 2nd NPI Red Alert UK Forum for Red Squirrel Conservation. Hughes, D. G. & Tew, T. (eds.). The Federation of Zoological Gardens of Great Britain and Ireland, p. 25-32Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
- Published
Are nest boxes a useful tool in regional red squirrel conservation programs?
Shuttleworth, C. & Schuchert , P., 15 Dec 2014, In: Hystrix-Italian Journal of Mammalogy. 25, p. 91-94Research output: Contribution to journal › Article › peer-review
- Published
Re-introduction of the red squirrel into Newborough forest on the island of Anglesey, UK
Shuttleworth, C., Kenward, R. E. & Jackson, N., 2008, Global Re-Introduction Perspectives: Re-Introduction Case-Studies from Around the Globe. Soorae, P. S. (ed.). IUCN/SSC Re-introduction Specialist Group, p. 163-166Research output: Chapter in Book/Report/Conference proceeding › Chapter
- Published
Painting the Town Red: Gwynedd red squirrel conservation
Shuttleworth, C., 2015, Shared Experience of Red Squirrel Conservation Practice . Shuttleworth, C. M., Lurz, P. W. W. & Halliwell, E. C. (eds.). European Squirrel Initiative, p. 159-166Research output: Chapter in Book/Report/Conference proceeding › Chapter
- Published
Reducing negative impacts on non-target species during grey squirrel (Sciurus carolinensis) control activities
Shuttleworth, C., Mill, A. C., Van der Wall, Z., Bertolino, S. & Everest, D. J., 1 Jan 2018, In: Quarterly Journal of Forestry. 112, 1, p. 21-29Research output: Contribution to journal › Article › peer-review
- Published
Red squirrels in my garden: guidance and tips to help conserve local populations
Shuttleworth, C. & Halliwell, E. C., 2018, European Squirrel Initiative. 185 p.Research output: Book/Report › Book › peer-review
- Published
Against a grey tide: What future for the red squirrel?
Shuttleworth, C., 2005, Journal of Practical Ecology & Conservation (Special Series No 4): Living with the Aliens? - Ecology, History, Culture and Management if exotic plants and animals: issues for nature conservation . Rotherham, L. D. (ed.). Vol. 4. p. 87-88Research output: Chapter in Book/Report/Conference proceeding › Chapter
- Published
A tough nut to crack: red squirrel conservation in Wales
Shuttleworth, C., 1 Oct 2003, In: Biologist. 50, p. 231-235Research output: Contribution to journal › Article › peer-review
- Published
Traffic related mortality in a red squirrel (Sciurus vulgaris) population receiving supplemental feeding
Shuttleworth, C., 1 Jun 2001, In: Urban Ecosystems. 2, p. 109-118Research output: Contribution to journal › Article › peer-review
- Published
An Opportunistic Assessment of the Impact of Squirrelpox Disease Outbreaks upon a Red Squirrel Population Sympatric with Grey Squirrels in Wales
Shuttleworth, C., Everest, D., Holmes, P., Bell, S. & Cripps, R., 1 Jan 2022, In: Animals. 12, 1Research output: Contribution to journal › Article › peer-review
- Published
Island Haven: Anglesey red squirrel conservation
Shuttleworth, C., 2015, Shared Experience of Red Squirrel Conservation Practice . Shuttleworth, C. M., Lurz, P. W. W. & Halliwell, E. C. (eds.). European Squirrel Initiative, p. 151-158Research output: Chapter in Book/Report/Conference proceeding › Chapter
- Published
Rare woodland wildlife at risk because of 50-year-old tree felling rules
Shuttleworth, C., 2018, The Conversation.Research output: Other contribution
- Published
Capturing red squirrels (Sciurus vulgaris) on camera: A cost-effective approach for monitoring relative abundance and habitat preference
Shannon, G., Valle, S. & Shuttleworth, C., 3 Oct 2023, In: Ecology and Evolution. 13, 10, e10536.Research output: Contribution to journal › Article › peer-review
- Published
Developing a method for assessing the relative abundance of red squirrels in low-density populations
Shannon, G., Barton, O., Valle, S. & Shuttleworth, C., 1 Nov 2024, 34 p.Research output: Book/Report › Commissioned report
- Published
Landscape scale impacts of culling upon a European grey squirrel population: can trapping reduce population size and decrease the threat of squirrel pox virus infection for the native red squirrel?
Schuchert, P., Shuttleworth, C., McInnes, C. J., Everest, D. J. & Rushton, S. P., 1 Nov 2014, In: Biological Invasions. 16, p. 2381-2391Research output: Contribution to journal › Article › peer-review
- Published
Leprosy in red squirrels in the UK
Schilling, A.-K., Del-Pozo, J., Lurz, P. W. W., Stevenson, K., Avanzi, C., Shuttleworth, C., Cole, S. T. & Meredith, A. L., 30 Mar 2019, In: Veterinary Record. 184, p. 416Research output: Contribution to journal › Article
- Published
British red squirrels remain the only known wild rodent host for leprosy bacilli
Schilling, A., Avanzi, C., Ulrich, R. G., Busso, P., Pisanu, B., Ferrari, N., Romeo, C., Mazzamuto, M. V., McLuckie, J., Shuttleworth, C., Del-Pozo, J., Lurz, P. W. W., Escalante-Fuentes, W. G., Ocampo-Candiani, J., Vera-Cabrera, L., Stevenson, K., Chapuis, J.-L., Meredith, A. L. & Cole, S. T., 1 Feb 2019, In: Frontiers in Veterinary Science. 6, p. 8Research output: Contribution to journal › Article › peer-review
- Published
Disease, invasions and conservation: no evidence of squirrelpox virus in grey squirrels introduced to Italy
Romeo, C., McInnes, C., Dale, T., Shuttleworth, C., Bertolino, S., Wauters, L. A. & Ferrari, N., 1 Feb 2019, In: Animal Conservation. 22, 1, p. 14-23Research output: Contribution to journal › Article › peer-review
- Published
Invasive alien species colonisation prevention: Your guide to early detection and rapid response
Robinson, N. & Shuttleworth, C., 2020, Newark: Royal Society of Wildlife Trusts. 204 p.Research output: Book/Report › Book › peer-review
- Published
A practical guide to early surveillance and monitoring
Robinson, N. J., Everest, D. J., Harry, P. & Shuttleworth, C., 2021, Invasive Alien Species Colonisation Prevention: Your guide to early detection and rapid response . Robinson, N. J. & Shuttleworth, C. M. (eds.). Royal Society of Wildlife Trusts, p. 163-202Research output: Chapter in Book/Report/Conference proceeding › Chapter
- Published
The large-scale removal of mammalian invasive alien species in Northern Europe
Robertson, P. A., Adriaens, T., Lambin, X., Mill, A., Roy, S., Shuttleworth, C. & Sutton-Croft, M., 1 Feb 2017, In: Pest Management Science. 73, p. 273-279Research output: Contribution to journal › Article › peer-review
- Published
Ethical dilemmas when using citizen science for early detection of invasive tree pests and diseases
Pocock, M. J. O., Marzano, M., Bullas-Appleton, E., Dyke, A., de Groot, M., Shuttleworth, C. & White, R., 1 Nov 2020, In: Management of Biological Invasions. 11, p. 720-732Research output: Contribution to journal › Article › peer-review
- Published
Mitochondrial DNA Analysis of Red Squirrels (Sciurus vulgaris) in North Wales
O’Meara, D., Shuttleworth, C., Clews-Roberts, R., Everest, D. & Synnott, R., 1 Mar 2025, 14 p. (Evidence Report Series; no. 791)Research output: Book/Report › Commissioned report
- Published
Genetic management of the red squirrel, Sciurus vulgaris: a practical approach to regional conservation
Ogden, R., Shuttleworth, C., McEwing, R. & Cesarini, S., 26 Oct 2005, In: Conservation Genetics. 6, p. 511-525Research output: Contribution to journal › Article › peer-review
- Published
Introduced Canadian Eastern grey squirrels: squirrelpox virus surveillance and why nothing matters.
McInnes, C., Shuttleworth, C., Larsen, K. W., Everest, D. J., Bruemmer, C., Carroll, B., Romeo, C., Sainsbury, A. W., Crawshaw, G., Dubois, S., Gillis, L., Gilray, J. & Percival, A., 3 Aug 2020, In: Hystrix-Italian Journal of Mammalogy. 31, p. 95-98Research output: Contribution to journal › Article › peer-review
- Published
Reintroductions and translocations of red squirrels within Europe
Lawton, C., Waters, C. & Shuttleworth, C., 2015, Red squirrels: Ecology, Conservation & Management in Europe. Shuttleworth, C. M., Lurz, P. W. W. & Hayward, M. W. (eds.). European Squirrel Initiative, p. 193-210Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
- Published
Ranging behaviour, density and social structure in grey squirrels
Lawton, C., Shuttleworth, C. & Kenward, R. E., 2016, The grey squirrel: ecology and management in Europe. Shuttleworth, C. M., Lurz, P. W. W. & Gurnell, J. (eds.). European Squirrel Initiative, p. 133-152Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
- Published
Are novel ecosystems the only novelty of rewilding?
Klop-Toker, K., Clulow, S., Shuttleworth, C. & Hayward, M., 1 Nov 2020, In: Restoration Ecology. 28, p. 1318-1320Research output: Contribution to journal › Article › peer-review
- Published
Mathematical models of grey squirrel invasion: a case study on Anglesey
Jones, H. E., White, A., Lurz, P. W. W., Boots, M. & Shuttleworth, C., 2016, The grey squirrel: ecology and management in Europe. Shuttleworth, C. M., Lurz, P. W. W. & Gurnell, J. (eds.). European Squirrel Initiative, p. 235-255Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
- Published
Mathematical models for invasive species management: grey squirrel control on Anglesey
Jones, H., White, A., Lurz, P. W. W. & Shuttleworth, C., 10 Sept 2017, In: Ecological Modelling. 180, p. 274-284Research output: Contribution to journal › Article › peer-review
- Published
By trying to be everything, rewilding risks meaning nothing
Jachowski, J. D., Bombaci, S., Caravaggi, A., Chalmers, A., Clulow, S., Griffin, A., Hayward, M., Heurich, M., Linnell, J., Marnewick, K., Moehrenschlager, A., Montgomery, A., Shuttleworth, C., Somers, M. & Weise, F., Nov 2019, In: Science. 364, p. 6438Research output: Contribution to journal › Letter
- Published
First report of dermatophilosis in wild European red squirrels (Sciurus vulgaris)
Holmes, P., Everest, D. J., Spiro, S., Wessels, M. & Shuttleworth, C., 30 Sept 2019, In: Veterinary Record Case Reports. 7, 3, p. 3Research output: Contribution to journal › Article › peer-review
- Published
Repeated squirrelpox infection in Welsh red squirrels
Holmes, J. P., Everest, D. & Shuttleworth, C., 3 Feb 2023, In: Veterinary Record. 192, 3, p. 128-129Research output: Contribution to journal › Letter
- Published
Deconstructing compassionate conservation
Hayward, M. W., Callen, A., Allen, B. L., Ballard, G., Broekhuis, F., Bugir, C., Clarke, R. H., Clulow, J., Clulow, S., Daltry, J. C., Davies-Mostert, H. T., Fleming, P. J. S., Griffin, A. S., Howell, L. G., Kerley, G. I. H., Klop-Toker, K., Legge, S., Major, T., Meyer, N., Montgomery, R. A., Moseby, K., Parker, D. M., Périquet, S., Read, J., Scanlon, R., Seeto, R., Shuttleworth, C., Somers, M. J., Tamessar, C. T., Tuft, K., Upton, R., Valenzuela-Molina, M., Wayne, A., Witt, R. R. & Wuster, W., Aug 2019, In: Conservation Biology. 33, 4, p. 760-768Research output: Contribution to journal › Article › peer-review
- Published
Reintroducing rewilding to restoration – Rejecting the search for novelty
Hayward, M. W., Scanlon, R. J., Callen, A., Howell, L. G., Klop-Toker, K. L., Di Blanco, Y., Balkenhol, N., Bugir, C. K., Campbell, L., Caravaggi, A., Chalmers, A. C., Clulow, J., Clulow, S., Cross, P., Gould, J. A., Griffin, A. S., Heurich, M., Howe, B. K., Jachowski, D. S., Jhala, Y. V., Krishnamurthy, R., Kowalczyk, R., Lenga, D. J., Linnell, J. D. C., Marnewick, K. A., Moehrenschlager, A., Montgomery, R. A., Osipova, L., Peneaux, C., Rodger, J. C., Sales, L. P., Seeto, R. G. Y., Shuttleworth, C. M., Somers, M. J., Tamessar, C. T., Upton, R. M. O. & Weise, F. J., 1 May 2019, In: Biological Conservation. 233, p. 255-259 5 p.Research output: Contribution to journal › Article › peer-review
- Published
The search for novelty continues for rewilding
Hayward, M., Jachowski, J. D., Bugir, C. J., Clulow, J., Krishnamurthy, R., Griffin, A. S., Chalmers, A. C., Linnell, J. D. C., Montgomery, R. A., Somers, M. J., Kowalczyk, R., Heurich, M., Caravaggi, A., Marnewick, K. A., Di Blanco, Y., Shuttleworth, C., Callen, C., Weise, F., Scanlon, R., Moehrenschlager, A., Howell, L. & Upton, R. M. O., 1 Aug 2019, In: Biological Conservation. 236, p. 584-585Research output: Contribution to journal › Article › peer-review
- Published
Rewilding needs to clarify the role of management of invasive species
Hayward, M., Jachowski, D. S., Shuttleworth, C., Linnell, J. D. C., Allen, B. L., Griffen, A. S., Montgomery, R. A., Caravaggi, A., Weise, F. J., Moehrenschlager, A., Somers, M. J., Clulow, S., Heurich, M. & Marnewick, K., 8 May 2019, In: Science. 364, p. 6438Research output: Contribution to journal › Letter
- Published
Experiences of grey squirrel management in an upland conifer forest
Halliwell, E. C., Shuttleworth, C., Cartmel, S., Lloyd, I. & Jenkins, R., 2016, The grey squirrel: ecology and management in Europe. Shuttleworth, C. M., Lurz, P. W. W. & Gurnell, J. (eds.). European Squirrel Initiative, p. 453-474Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
- Published
Striving for success: an evaluation of local action to conserve red squirrels (Sciurus vulgaris) in Wales
Halliwell, E. C., Shuttleworth, C., Wilberforce, L., Denman, H., Lloyd, I. & Cartmel, S., 2015, Red squirrels: Ecology, Conservation & Management in Europe. Shuttleworth, C. M., Lurz, P. W. W. & Hayward, M. W. (eds.). European Squirrel Initiative, p. 175-192Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
- Published
Significant differences in the caecal bacterial microbiota of red and grey squirrels in Britain
Hall, L., Nichols, C., Leng, J., Martelli, F., Shuttleworth, C. & La Ragione, R., 14 Feb 2024, In: Journal of Medical Microbiology. 73, 2Research output: Contribution to journal › Article › peer-review
- Published
Ecosystem impacts of an alien invader in Europe, the grey squirrel Sciurus carolinensis
Gurnell, J., Lurz, P. W. W. & Shuttleworth, C., 2016, The grey squirrel: ecology and management in Europe. Shuttleworth, C. M., Lurz, P. W. W. & Gurnell, J. (eds.). European Squirrel Initiative, p. 307-329Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
- Published
British red squirrel strongholds: challenges for conservation
Gurnell, J., Blackett, T., Butler, H., Lurz, P. W. W., Magris, L. & Shuttleworth, C., 2015, Red squirrels: Ecology, Conservation & Management in Europe. Shuttleworth, C. M., Lurz, P. W. W. & Hayward, M. W. (eds.). European Squirrel Initiative, p. 211-232Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
- Published
Controlling grey squirrels in forests and woodlands in the UK
Gill, R., Ferryman, M., Shuttleworth, C., Lurz, P. W. W., Mill, A., Robertson, P. A. & Dutton, C., 2019, Forest Research. 16 p.Research output: Book/Report › Book › peer-review
- Published
PCR detection of adenovirus in grey squirrels on Anglesey
Everest, D. J., Grierson, S. S., Stidworthy, M. & Shuttleworth, C., 31 Oct 2009, In: Veterinary Record. 165, p. 482Research output: Contribution to journal › Article › peer-review
- Published
Adenovirus-associated deaths in red squirrels on Anglesey
Everest, D. J., Shuttleworth, C. & Stidworthy, M. F., 31 Oct 2008, In: The Veterinary record. 163, 14, p. 430Research output: Contribution to journal › Article › peer-review