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All publications for Liz Humphreys

Harris, S.J., Baker, H., Balmer, D.E., Bolton, M., Burton, N.H.K., Caulfield, E., Clarke, J.A.E., Dunn, T.E., Evans, T.J., Hereward, H.R.F., Humphreys, E.M., Money, S. and O’Hanlon, N.J. 2024. Seabird Population Trends and Causes of Change: 1986–2023, the annual report of the Seabird Monitoring Programme. British Trust for Ornithology ISBN: 2976-8950 Download Report (PDF)
O’Hanlon, N.J., Clewley, G.D., Davies, J.G., Johnston, D.T., Booth Jones, K.A., Green, R.M.W., Weston, E., Humphreys, E.M. & Cook, A.S.C.P. 2024. Trial of the use of silicone cord leg-loop harnesses on Black-legged Kittiwake during the 2023 breeding season. Research Report no. 772. BTO, Thetford, Norfolk ISBN: 978-1-912642-69-4 21pp Download Report (PDF)
Davies, J.G., Boersch-Supan, P.H., Clewley, G.D., Humphreys, E.M., O’Hanlon, N.J., Shamoun-Baranes, J., Thaxter, C.B., Weston, E. & Cook, A.S.C.P. 2024. Influence of wind on kittiwake Rissa tridactyla flight and offshore wind turbine collision risk. Marine Biology 171 View at journal website (DOI: 10.1007/s00227-024-04508-0)
O’Hanlon, N.J., van Bemmelen, R.S.A., Conway, G.J., Thaxter, C.B., Aiton, H., Aiton, D., Balmer, D.E., Calladine, J.R., Harris, S.J. & Humphreys, E.M. 2024. New insights into the migration and wintering areas of Scottish-breeding Arctic Skuas. British Birds 117 : 488-497 Link to publication
van Bemmelen, R., Moe, B., Schekkerman, H., Hanssen, S.A., Snell, K., Humphreys, L., Mäntylä, E., Hallgrimsson, G.T., Gilg, O., Ehrich, D., Calladine, J., Hammer, S., Harris, S., Lang, J., Vignisson, S., Kolbeinsson, Y., Kimmo, N., Sillanpää, M., Sittler, B., Sokolov, A., Klaassen, R., Phillips, R. & Tulp, I. 2024. Synchronous timing of return to breeding sites in a long-distance migratory seabird with ocean-scale variation in migration schedules. Movement Ecology View at journal website (DOI: 10.1186/s40462-024-00459-9)
O'Hanlon, N.J., van Bemmelen, R.S.A., Snell, K.R.S., Conway, G.J, Thaxter, C.B., Aiton, H., Aiton, D., Balmer, D.E., Are Hanssen, S., Calladine, J.R., Hammer, S., Harris, S.J., Moe, B., Schekkerman, H., Tulp, I. & Humphreys, E.M. 2024. Atlantic populations of a declining oceanic seabird have complex migrations and weak migratory connectivity to staging areas. Marine Ecology Progress Series 730 : 113-129 View at journal website (DOI: 10.3354/meps14533)
O’Hanlon, N.J., Thaxter, C.B., Clewley, G.D., Davies, J.G., Humphreys, E.M., Miller, P.I. Pollock, C.J., Shamoun-Baranes, J., Weston, E. & Cook, A.S.C.P. 2024. Challenges in quantifying the responses of Black-legged Kittiwake to habitat variables and local stressors due to individual variation. Bird Study View at journal website (DOI: 10.1080/00063657.2024.2305169)
Davies, J.G., Humphreys, E.M., Evans, T., Howells, R., O’Hara-Murray, R. & Pearce-Higgins, J.W. 2023. Seabird abundances projected to decline in response to climate change in Britain and Ireland. Marine Ecology Progress Series View at journal website (DOI: 10.3354/meps14462)
Johnston, D.T., Thaxter, C.B., Boersch-Supan, P.H., Davies, J.G., Clewley, G.D., Green, R.M.W., Shamoun-Baranes, J., Cook, A.S.C.P., Burton, N.H.K. & Humphreys, E.M. 2023. Flight heights obtained from GPS versus altimeters influence estimates of collision risk with offshore wind turbines in Lesser Black-backed Gulls Larus fuscus. Movement Ecology 11 View at journal website (DOI: 10.1186/s40462-023-00431-z)
O’Hanlon, N.J., Johnston, D.T., Cook, A.S.C.P., Robinson, R.A. & Humphreys, E.M. 2023. A crowded ocean: the need for demographic and movement data in seabird conservation. Ocean and Coastal Management 244 View at journal website (DOI: 10.1016/j.ocecoaman.2023.106833)
Pearce-Higgins, J.W., Humphreys, E.M., Burton, N.H.K., Atkinson, P.W., Pollock, C., Clewley, G.D., Johnston, D.T., O’Hanlon, N.J., Balmer, D.E., Frost, T.M., Harris S.J. & Baker, H. 2023. Highly pathogenic avian influenza in wild birds in the United Kingdom in 2022: impacts, planning for future outbreaks, and conservation and research priorities.. Research Report no. 752. British Trust for Ornithology, Thetford ISBN: 978-1-912642-47-2 92pp Download Report (PDF)
Clewley, G.D., Cook, A.S.C.P., Davies, J.G., Humphreys, E.M., O’Hanlon, N.J., Weston, E., Boulinier, T. & Ponchon, A 2022. Acute impacts from Teflon harnesses used to fit bio-logging devices to Black-legged Kittiwake Rissa tridactyla. Ringing & Migration View at journal website (DOI: 10.1080/03078698.2022.2151065)
Cunningham, E.J.A., Amandine Gamble, A., Hart, T., Humphreys, E.M., Philip, E., Tyler, G. & Wood, M.J. 2022. The incursion of Highly Pathogenic Avian Influenza (HPAI) into North Atlantic seabird populations: an interim report from the 15th International Seabird Group conference. Seabird 34 Link to publication
Jarrett, D., Calladine, J., Cook, A.S.C.P., Upton, A., Williams, J.,Williams, S., Wilson, J.M., Wilson, M.W., Woodward, I. & Humphreys, E.M. 2022. Behavioural responses of non-breeding waterbirds to marine traffic in the near-shore environment. Bird Study View at journal website (DOI: 10.1080/00063657.2022.2113855)
Gauld, J.G., Silva, J.P., Atkinson, P.W., Record, P., Acácio, M., Arkumarev, V., Blas, J., Bouten, W., Burton, N., Catry, I., Champagnon, J., Clewley, G.D., Dagys, M., Duriez, O., Exo, M., Fiedler, W., Flack, A., Friedemann, G., Fritz, J., Garcia-Ripolles, C., Garthe, S., Giunchi, D., Grozdanov, A., Harel, R., Humphreys, E.M., Janssen, R., Kölzsch, A., Kulikova, O., Lameris, T.K., López-López, P., Masden, E.A., Monti, F., Nathan, R., Nikolov, S., Oppel, S., Peshev, H., Phipps, L., Pokrovsky, I., Ross-Smith, V.H., Saravia, V., Scragg, E.S., Sforzi, A., Stoynov, E., Thaxter, C., Van Steelant, W., van Toor, M., Vorneweg, B., Waldenström, J., Wikelski, M., Žydelis, R. & Franco, A.M.A. 2022. Hotspots in the grid: avian sensitivity and vulnerability to collision risk from energy infrastructure interactions in Europe and north Africa. Journal of Applied Ecology View at journal website (DOI: 10.1111/1365-2664.14160) 17pp
Johnston, D.T., Thaxter, C.B., Boersch-Supan, P.H., Humphreys, L., Bouten, W., Clewley, G.D., Scragg, E.S., Masden, E.A., Barber, L.J., Conway, G., Clark, N.A., Burton, N.H.K & Cook, A.S.C.P. 2022. Investigating avoidance and attraction responses in Lesser Black-backed Gulls Larus fuscus to offshore wind farms. Marine Ecology Progress Series 686 View at journal website (DOI: 10.3354/meps13964)
Clewley, G.D., Thaxter, C.B., Humphreys, E.M., Scragg, E.S., Bowgen, K.M., Bouten, W., Masden, E.A. & Burton, N.H.K. 2021. Assessing movements of Lesser Black-backed Gulls using GPS tracking devices in relation to the Walney Extension and Burbo Bank Extension Offshore Wind Farms. Research Report no. 738. ISBN: 978-1-912642-27-4 Download Report (PDF)
Humphreys, E.M., Austin, G.E., Frost, T.M., Mellan, H.J., Boersch-Supan, P., Burton, N.H.K., Balmer, D.E. 2021. Wader populations on the UK’s open coast: results of the 2015/16 Non-Estuarine Waterbird Survey (NEWS-III) and a review of population trends. Bird Study 67 : 371-384 View at journal website (DOI: 10.1080/00063657.2021.1884184) 14pp
Jarrett, D., Calladine, J., Cotton, A., Wilson, M.W. & Humphreys, E. 2020. Behavioural responses of non-breeding waterbirds to drone approach are associated with flock size and habitat. Bird Study View at journal website (DOI: 10.1080/00063657.2020.1808587) 7pp
Cook, A.S.C.P., Humphreys, E.M., Robinson, R.A. & Burton, N.H.K. 2019. Review of the potential of seabird colony monitoring to inform monitoring programmes for consented offshore wind farm projects. Research Report no. 712. British Trust for Ornithology, Thetford, Norfolk ISBN: 978-1-912642-07-6 163pp Download Report (PDF)
Horswill C., Humphreys E.M., Robinson R.A. 2018. When is enough enough? Effective sampling protocols for estimating the survival rates of seabirds with mark-recapture techniques. Bird Study View at journal website (DOI: 10.1080/00063657.2018.1516191)
Cook, A.S.C.P., Humphreys, E.M., Bennet, F., Masden, E.A. & Burton, N.H.K. 2018. Quantifying avian avoidance of offshore wind turbines: Current evidence and key knowledge gaps. Marine Environmental Research 140 : 278-288 View at journal website (DOI: 10.1016/j.marenvres.2018.06.017) 11pp
Calladine, J., Humphreys, E.M., Gilbert, L., Furness, R.W., Robinson, R.A., Fuller, R.J., Littlewood, N.A., Pakeman, R.J., Ferguson, J. & Thompson, C. 2017. Continuing influences of introduced hedgehogs Erinaceus europaeus as a predator of wader (Charadrii) eggs four decades after their release on the Outer Hebrides, Scotland. Biological Invasions 19 : 1 981-1 987 View at journal website (DOI: 10.1007/s10530-017-1422-4)
Kathryn E Ross, Niall H K Burton, Dawn E Balmer, Elizabeth M Humphreys, Graham E Austin, Beth Goddard, Helena Schindler-Dite and Mark M Rehfisch 2016. Urban Breeding Gull Surveys: A Review of Methods and Options for Survey Design. Research Report no. 680. ISBN: 978-1-908581-70-9 58pp Download Report (PDF)
Calladine, J., Humphreys, E.M. & Boyle, J. 2015. Changes in breeding wader populations of the Uist machair between 1983 and 2014. Scottish Birds 35 (part 3) : 207-215
Elizabeth M. Humphreys, Aonghais S.C.P. Cook and Niall H.K. Burton 2015. Collision, Displacement and Barrier - Effect Concept Note. Research Report no. 669. 37pp Download Report (PDF)
Johnston, A., Thaxter, C.B., Austin, G.E., Cook, A.S.C.P., Humphreys, E.M., Still, D.A., Mackay, A., Irvine, R., Webb, A. & Burton, N.H.K. 2015. Modelling the abundance and distribution of marine birds accounting for uncertain species identification. Journal of Applied Ecology 52 (part 1) : 150-160 Link to publication View at journal website (DOI: 10.1111/1365-2664.12364)
Calladine, J., Pakeman, R.J., Humphreys, E., Huband, S. & Fuller, R.J. 2014. Changes in breeding wader assemblages, vegetation and land use within machair environments over three decades. Bird Study 61 (part 3) : 287-300 Link to publication View at journal website (DOI: 10.1080/00063657.2014.917604)
Cook, A.S.C.P., Humphreys, E.M., Masden, E.A., Band, W. & Burton, N.H.K. 2014. The avoidance rates of collision between birds and offshore turbines. Research Report no. 656. Link to publication
Johnston, A., Cook, A.S.C.P., Wright, L.J., Humphreys, E.M. & Burton, N.H.K. 2014. Modelling flight heights of marine birds to more accurately assess collision risk with offshore wind turbines. Journal of Applied Ecology 51 (part 1) : 31-41 Link to publication View at journal website (DOI: 10.1111/1365-2664.12191)
Burton, N.H.K., Thaxter, C.B., Cook, A.S.C.P., Austin, G.E., Humphreys, E.M., Johnston, A., Still D.A. & Wright, L.J. 2013. Ornithology Technical Report for the Proposed Dogger Bank Teesside A and B Offshore Wind Farm Projects. Research Report no. 643. Link to publication
Calladine, J., Garner, G. & Humphreys, L. 2013. A sample survey of the breeding birds at woodland expansion sites of the Scottish Forest Alliance in 2007. Research Report no. 493. ISBN: 978-1-908581-19-8 48pp £5.00 Download Report (PDF)
Elizabeth Humphreys, Paul Kirkland and Dan Chamberlain BTO, Butterfly Conservation) 2013. The Biodiversity in Glasgow (BIG) Project. Research Report no. 603. ISBN: 978-1-908581-14-3 57pp £5.00 Download Report (PDF)
Burton, N.H.K., Austin, G.E., Cook, A.S.C.P., Humphreys, E.M., Johnston, A., Morrison, C.A., Thaxter, C.B. & Wright, L.J. 2012. Ornithological Technical Report for the Proposed Dogger Bank Creyke Beck Offshore Wind Farm Projects.. Research Report no. 630. Link to publication
Calladine, J., Fuller, R. & Humphreys, L. 2011. A survey of population changes in breeding waders on machair in Benbecula and North Uist: annual surveys in 2008-2010 and changes since the mid-1980s. Research Report no. 584. Link to publication
Crabtree, R., Humphreys, E., Moxey, A. & Wernham, C. 2011. 2010 Review of Goose Management Policy in Scotland. BTO and CJC Consulting report to the Scottish Government. Link to publication
Toms, M., Humphreys, L. & Wernham, C. 2011. Developing our Understanding of Biodiversity in Scotland's Gardens: the Role of the BTO's Garden Birdwatch. Book title: The Changing Nature of Scotland TSO Scotland, Edinburgh : 479-484 ISBN: 9.78E+12
Banks, A.N., Crick, H.Q.P., Coombes, R., Benn, S., Ratcliffe, D.A. & Humphreys, E.M. 2010. The breeding status of Peregrine Falcons Falco peregrinus in the UK and Isle of Man in 2002. Bird Study 57 : 421-436 View at journal website (DOI: 10.1080/00063657.2010.511148)
Fuller, R.J., Humphreys, E.M., Wilson, J.D., Hoccom, D. & Calladine, J. 2010. Changes in the breeding wader populations of the machair of the Western Isles, Scotland, between 2000 and 2007. Bird Study 57 : 121-124 View at journal website (DOI: 10.1080/00063650903196893)
Humphreys, E., Toms, M., Newson, S., Baker, J. & Wormald, K. 2010. An examination of reptile and amphibian populations in gardens, the factors influencing garden use and the role of a 'Citizen Science' approach for monitoring their populations within this habitat. Research Report no. 572. ISBN: 978-1-906204-81-5 43pp £5.00 Download Report (PDF)
Toms, M., Humphreys, L. & Wernham, C. 2010. Engaging with biodiversity in Scotland's gardens: the role of the BTO's Garden BirdWatch. Book title: Proceedings of The Changing Nature of Scotland Conference, Perth, September 2009 Scottish Natural Heritage
Calladine, J., Humphreys, E.M., Strachan, F. & Jardine, D.C. 2009. Forestry thinning in commercial conifer plantations has little effect on bird species richness and breeding abundance. Bird Study 56 : 137-141 View at journal website (DOI: 10.1080/00063650802681698)
Hamer, K.C., Humphreys, E.M., Magalhães, M.C., Garthe, S., Hennicke, J., Peters, G., Grémillet, D., Skov, H. & Wanless S. 2009. Fine-scale foraging behaviour of a medium-ranging marine predator. Journal of Animal Ecology 78 : 880-889 View at journal website (DOI: 10.1111/j.1365-2656.2009.01549.x)
Humphreys, L., Wernham, C. & Crick, H. 2009. Raptor species conservation frameworks: The Peregrine Conservation Framework Project. Progress report - phase 1. Research Report no. 535. ISBN: 978-1-906204-60-0 71pp £10.00 Download Report (PDF)
Newson, S.E., Mitchell, P.I., Parsons, M., O'Brian, S.H., Austin, G.E., Benn, S., Black, J., Blackburn, J., Brodie, B., Humphreys, E., Leech, D., Prior, M. & Webster, M. 2008. Population decline of Leach's Storm-petrel Oceanodroma leucorhoa within the largest colony in Britain and Ireland. Seabird 21 : 77-84 Link to publication
Skov, H., Humphreys, E., Garthe, S., Geitner, K., Gr 2008. Application of habitat suitability modelling to tracking data of marine animals as a means of analyzing their feeding habitats. Ecological Modelling 212 : 504-512 View at journal website (DOI: 10.1016/j.ecolmodel.2007.11.006)
Calladine, J., Humphreys, L. & McPhie, F. 2007. The effects of thinning in commercial conifer plantations on breeding bird abundance and diversity in the north of Scotland. Research Report no. 459. ISBN: 1-904870-95-3 35pp £2.50 Download Report (PDF)
Hamer, K.C., Humphreys, E.M., Garthe, S., Hennicke, S.J., Peters, G., Gr 2007. Annual variation in diets, feeding locations and foraging behaviour of gannets in the North Sea: flexibility, consistency and constraint. Marine Ecology Progress Series 338 : 295-305 View at journal website (DOI: doi:10.3354/meps338295)
Humphreys, E.M., Wanless, S. & Bryant, D.M. 2007. Elevated metabolic costs while resting on water in a surface feeder: the Black-legged Kittiwake Rissa tridactyla. Ibis 149 : 106-111 View at journal website (DOI: 10.1111/j.1474-919X.2006.00618.x)
Enstipp, M.R., Daunt, F., Wanless, S., Humphreys, E.M., Hamer, K.C., Benvenuti, S. & Gr 2006. Foraging energetics of North Sea birds confronted with fluctuating prey availability. Book title: Top predators in marine ecosystems: their role in monitoring and management. Cambridge University Press, Cambridge View at journal website (DOI: 10.2277/052161256X) ISBN: 9.78E+12

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