1. Single Species Action Plan for the conservation of the Príncipe Thrush Turdus xanthorhynchus.

   BirdLife International, Ndang'ang'a, P. K. (ed.), de Melo, M. (ed.), Lima, R. (ed.), Costa, L. (ed.), Buchanan, G. (ed.), Dallimer, M. (ed.), Tavares, J. (ed.), Valle, S. (ed.) & Ward-Francis, A. (ed.), 2014, BirdLife International, Cambridge, UK. 14 p.

   Research output: Book/Report › Commissioned report

2. International Action Plan For conservation of Critically Endangered birds on São Tomé

   BirdLife International, Ndang'ang'a, P. K. (ed.), Ward-Francis, A. (ed.), Costa, L. (ed.), Valle, S. (ed.), Lima, R. (ed.), Palmeirim, J. (ed.), Tavares, J. (ed.), Buchanan, G. (ed.), Carvalho, M. (ed.), de Melo, M. (ed.) & Dallimer, M. (ed.), 2014, BirdLife International, Cambridge, UK. 26 p.

   Research output: Book/Report › Commissioned report

3. Published

   A review of bovine tuberculosis transmission risk in European wildlife communities

   Justus, W., Valle, S., Barton, O., Gresham, A. & Shannon, G., 1 Mar 2024, In: Mammal Review.

   Research output: Contribution to journal › Article › peer-review

4. A protocol to allow density estimation and monitoring of the heavily traded grey parrots across their huge African ranges

   Marsden, S. J., Loqueh, E., Takuo, J. M., Hart, J. A., Abani, R., Ahon, D. B., Showers, C., Annorbah, N., Johnson, R. & Valle, S., 2013, Strengthening Capacity for Monitoring and Regulation of International Trade of African Grey Parrot. CITES Secretariat (ed.). CITES Secretariat, p. 1-18

   Research output: Chapter in Book/Report/Conference proceeding › Chapter

5. Using encounter rates as surrogates for density estimates makes monitoring of heavily-traded grey parrots achievable across Africa

   Marsden, S. J., Loqueh, E., Takuo, J. M., Hart, J. A., Abani, R., Ahon, D. B., Annorbah, N. N. D., Johnson, R. & Valle, S., 2015, In: Oryx. 50, 4, p. 617-625

   Research output: Contribution to journal › Article › peer-review

6. Published

   Research and conservation of the larger parrots of Africa and Madagascar: a review of knowledge gaps and opportunities

   Martin, R. O., Perrin, M. R., Boyes, R. S., Abebe, Y. D., Annorbah, N. D., Asamoah, A., Bizimana, D., Bobo, K. S., Bunbury, N., Brouwer, J., Diop, M. S., Ewnetu, M., Fotso, R. C., Garteh, J., Hall, P., Holbech, L. H., Madindou, I. R., Maisels, F., Mokoko, J., Mulwa, R., Reuleaux, A., Symes, C., Tamungang, S., Taylor, S., Valle, S., Waltert, M. & Wondafrash, M., 2014, In: Ostrich: Journal of African Ornithology. 85, 3, p. 205-233

   Research output: Contribution to journal › Article › peer-review

7. 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

8. Published

   Recalibrating Risk: Implications of squirrelpox virus for successful red squirrel translocations within mainland UK

   Shuttleworth, C., Brady, D., Cross, P., Gardner, L., Greenwood, A., Jackson, N., McKinney, C., Robinson, N., Trotter, S., Valle, S., Wood, K. & Hayward, M., Feb 2021, In: Conservation Science and Practice. 3, 2, e321.

   Research output: Contribution to journal › Article › peer-review

9. Spatial and seasonal variation in abundance within an insular grey parrot population

   Valle, S., Collar, N. J., Harris, W. E. & Marsden, S. J., Dec 2017, In: African Journal of Ecology. 55, 4, p. 433-442

   Research output: Contribution to journal › Article › peer-review

10. Status and trends of the seabirds breeding at Tinhosa Grande Island, São Tomé e Príncipe

    Valle, S., Barros, N. & Wanless, R., 2014, BirdLife International, Cambridge, UK. 27 p.

    Research output: Book/Report › Commissioned report

11. Published

    What can the abundance of Grey Parrots on Príncipe Island tell us about large parrot conservation?

    Valle, S., Collar, N. J., Melo, M. & Marsden, S. J., 2021, In: Journal of Tropical Ecology. 36, 6, p. 293- 297

    Research output: Contribution to journal › Article › peer-review

12. Seasonal changes in abundances of waterbirds at Sabaki River Mouth (Malindi, Kenya), a key stopover site on the West Asian-East African Flyway

    Valle, S., Boitani, L. & Maclean, I. M. D., 2012, In: Ostrich: Journal of African Ornithology. 83, 1, p. 19-26

    Research output: Contribution to journal › Article › peer-review

13. Published

    Low abundance of the Endangered timneh parrot Psittacus timneh in one of its presumed strongholds

    Valle, S., Collar, N., Barca, B., Dauda, P. & Marsden, S., Jan 2020, In: Oryx. 54, 1, p. 74-76 3 p.

    Research output: Contribution to journal › Article › peer-review

14. Population estimates of the breeding birds of the Tinhosas Islands (Gulf of Guinea), the only major seabird colony of the Eastern Tropical Atlantic

    Valle, S., Barros, N., Ramirez, I. & Wanless, R. M., 2016, In: Ostrich - Journal of African Ornithology. 87, 3, p. 209-215

    Research output: Contribution to journal › Article › peer-review

15. Published

    Trapping method and quota observance are pivotal to population stability in a harvested parrot

    Valle, S., Collar, N., W. Edwin, H. & Marsden, S., Jan 2018, In: Biological Conservation. 217, p. 428-436

    Research output: Contribution to journal › Article › peer-review