Cyhoeddiadau y BTO

Cyhoeddiadau diweddar a ysgrifennwyd gan ac sy'n deillio o waith staff y BTO.

Recent BTO Wales publications

Rook, by Edmund Fellowes / BTO

Birds of Conservation Concern Wales 4: the population status of birds in Wales

2022 | Johnstone, I.G., Hughes, J., Balmer, D.E., Brenchley, A., Facey, R.J., Lindley, P.J., Noble, D.G. & Taylor, R.C. Milvus

Curlew. Liz Cutting

Assessing drivers of winter abundance change in  Eurasian Curlews Numenius arquata in England and Wales

2022 | Woodward, I.D., Austin, G.E., Boersch-Supan, P.H., Thaxter, C.B. & Burton, N.H.K Bird Study

Sheep. Mike Toms

Rapid adaptive modelling for policy support towards achieving Sustainable Development Goals: Brexit and the livestock sector in Wales

2021 | Thomas, A., Cosby, B.J., Gooday, R., Lyons, H., Siriwardena, G., Kettel, E., Matthews, D., Beauchamp, K., Petr, M. & Emmet, B.A. Environmental Science & Policy

Oystercatcher feeding along the shoreline

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

Wader population trends on the UK's open coast

2021 | Humphreys, E.M., Austin, G.E., Frost, T.M., Mellan, H.J., Boersch-Supan, P., Burton, N.H.K., Balmer, D.E. Bird Study

Newly published research from BTO underlines the importance of the UK’s rocky shores and sandy beaches for waterbird species.

Meadow Pipit. Graham Clarke

BirdTrends 2020: Trends in numbers, breeding success and survival for UK breeding birds

2021 | Woodward, I.D., Massimino, D., Hammond, M.J., Barber, L., Barimore, C., Harris, S.J., Leech, D.I., Noble, D.G., Walker, R.H., Baillie, S.R. & Robinson, R.A.

The BTO's BirdTrends report is a one-stop shop for information about the population status of the common breeding birds of the wider UK countryside.

Peregrine. Philip Croft

Contrasting long‐term trends in age‐specific survival of Peregrine Falcons (Falco peregrinus) in Britain using smoothed estimates of recovery probabilities

Living fast: using ringing data to look at survival of British Peregrines

2021 | Robinson, R.A. & Wilson, M. Ibis

BTO volunteers. David Tipling

The State of the UK's Birds 2020

2020 | Burns, F., Eaton, M.A., Balmer, D.E., Banks, A., Caldow, R., Donelan, J.L., Douse, A., Duigan, C., Foster, S., Frost, T., Grice, P.V., Hall, C., Hanmer, H.J., Harris, S.J., Johnstone, I., Lindley, P., McCulloch, N., Noble, D.G., Risely, K., Robinson, R.A. & Wotton, S.

Providing an annual overview of the status of the UK’s breeding and non-breeding bird species in the UK, this year’s report highlights the continuing poor fortunes of the UK’s woodland birds, and the huge efforts of BTO volunteers collecting data.

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Audit of local studies of breeding Curlew and other waders in Britain and Ireland

2020 | Wilson, M., Calladine, J. & Wernham, C.

The Eurasian Curlew is widely considered to be one of the highest bird conservation priorities in the UK and Ireland. A number of other breeding waders have also showed marked declines during a similar time frame, and a multitude of field initiatives across Britain and Ireland have been established, or tailored, to support conservation of these wader species. This audit aimed to collate information from as many of these breeding wader projects as possible, to allow BTO to assess how best it might assist local to national initiatives through partnership working in future.

Pheasant. Jill Pakenham.

Associations between gamebird releases and general predators

2019 | Pringle, H., Wilson, M., Calladine, J. & Siriwardena, G.M. Journal of Applied Ecology

Pheasants and Red-legged Partridges for commercial shoots may be boosting numbers of the avian predators and scavengers.

State of Birds in Wales 2018 cover

State of Birds in Wales 2018

2018 |

The State of Birds in Wales 2018 was published on 6 December 2018.

Peregrine by Nathan Guttridge

The breeding population of Peregrine Falcon Falco peregrinus in the United Kingdom, Isle of Man and Channel Islands in 2014

Breeding Peregrines on the up thanks to growth of lowland populations

2018 | Wilson, M. W., Balmer, D. E., Jones, K., King, V. A., Raw, D., Rollie, C. J., Rooney, E., Ruddock, M., Smith, G.D., Stevenson, A., Stirling-Aird, P.K., Wernham, C. V., Weston, J. M. & Noble, D.G. Bird Study

The return of breeding Peregrines to former haunts, and the colonisation of urban sites such as industrial buildings and cathedrals, has not gone unnoticed by birdwatchers. It is only now, however, with the publication of the results from the latest national Peregrine survey, that we can put figures on the changing fortunes of this stunning bird of prey.

The importance of the United Kingdom for wintering gulls: population estimates and conservation requirements

2013 | Burton, N.H.K., Banks, A.N., Calladine, J.R & Austin, G.E. Bird Study

Indexing winter gull numbers in Great Britain using data from the 1953 to 2004 Winter Gull Roost Surveys

2009 | Banks, A.N., Burton, N.H.K., Calladine, J.R. & Austin, G.E. Bird Study

Population decline of Leach's Storm-petrel Oceanodroma leucorhoa within the largest colony in Britain and Ireland

2008 | 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. Seabird

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