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James W. Pearce-Higgins, Auteur ; Elizabeth M. Humphreys, Auteur ; Niall H.K. Burton, Auteur ; Philip W. Atkinson, Auteur ; Chris Pollock, Auteur ; Gary D. Clewley, Auteur ; Daniel T. Johnston, Auteur ; Nina J. O’Hanlon, Auteur ; Dawn E. Balmer, Auteur ; Teresa M. Frost, Auteur ; Sarah J. Harris, Auteur ; Helen Baker, Auteur ; British Trust for Ornithology, Auteur | [S.l.] : British Trust for Ornithology | 2023The Joint Nature Conservation Committee (JNCC) / British Trust for Ornithology (BTO) organised a virtual workshop to develop thinking to support ongoing efforts to manage the avian influenza outbreak and also to consider longer-term evidence req[...]
Article
Simon Gillings, Auteur ; Dawn E. Balmer, Auteur ; Sarah J. Harris, Auteur ; Dario Massimino, Auteur ; James W. Pearce-Higgins, AuteurCapsule COVID-19 restrictions significantly biased BTO/JNCC/RSPB Breeding Bird Survey coverage across the UK allowing indicative trends to be produced for approximately one-third of species in England only.Aims To investigate the effect that COV[...]
Article
Hugh J. Hanmer, Auteur ; Claire Boothby, Auteur ; Mike P. Toms, Auteur ; David G. Noble, Auteur ; Dawn E. Balmer, AuteurCapsule Tawny Owl Strix aluco site occupancy and detectability are influenced by habitat and environmental variables.Aims: To determine factors influencing Tawny Owl occupancy and detectability around British homes and gardens using a large-scal[...]
Article
Using citizen science to assess drivers of Common House Martin Delichon urbicum breeding performance
Esther F. Kettel, Auteur ; Ian D. Woodward, Auteur ; Dawn E. Balmer, Auteur ; David G. Noble, AuteurDans Ibis (163(2) 2021)Many hirundine (swallows and martins) species are declining throughout their ranges. The Common House Martin Delichon urbicum is a migratory hirundine that breeds throughout Europe but has shown recent declines in some parts of the UK, particula[...]
Article
Gary D. Clewley, Auteur ; David L. Norfolk, Auteur ; Dave I. Leech, Auteur ; Dawn E. Balmer, AuteurCapsule: Playback is effective at improving detectability of Little Owls.Aims: To trial a playback survey methodology for Little Owls in the UK to determine detectability and practicalities which could inform potential future national monitoring[...]
Article
Robert A. Robinson, Auteur ; Stephen N. Freeman, Auteur ; Dawn E. Balmer, Auteur ; Mark J. Grantham, AuteurCapsule Productivity in the UK Cetti's Warbler population is constant, but overwinter survival has become increasingly dependent on winter temperatures. Aims To demonstrate how constant effort (CE) ringing can be used to estimate productivity of[...]
Article
Mike P. Toms, Auteur ; Jacquie A. Clark, Auteur ; Dawn E. Balmer, AuteurThis is the 61st annual report of the British Trust for Ornithology's Ringing Scheme, presenting research carried out and data received in 1997. Work examining the survival rates of 31 farmland passerines in relation to long-term changes in abun[...]
Article
Jacquie A. Clark, Auteur ; Chris V. Wernham, Auteur ; Dawn E. Balmer, Auteur ; Sue Y. Adams, Auteur ; Jeremy R. Blackburn, Auteur ; Bridget M. Griffin, Auteur ; Jackie King, AuteurThis is the 62nd annual report of the British Trust for Ornithology's Ringing Scheme, presenting research carried out and data received in 1998. A study of fish-eating birds, initiated because of a perceived increase of predation on fish populat[...]
Article
Jacquie A. Clark, Auteur ; Chris V. Wernham, Auteur ; Dawn E. Balmer, Auteur ; Sue Y. Adams, Auteur ; Bridget M. Griffin, Auteur ; Jeremy R. Blackburn, Auteur ; Dave Anning, Auteur ; Linda J. Milne, Auteur
Article
Jacquie A. Clark, Auteur ; Dawn E. Balmer, Auteur ; Jeremy R. Blackburn, Auteur ; Linda J. Milne, Auteur ; Robert A. Robinson, Auteur ; Chris V. Wernham, Auteur ; Sue Y. Adams, Auteur ; Bridget M. Griffin, AuteurThis is the 64th annual report of the British Trust for Ornithology's Ringing Scheme presenting work carried out and data received in 2000. Ringing birds is an important tool for conservation and research, providing information on survival, prod[...]
Article
Jacquie A. Clark, Auteur ; Dawn E. Balmer, Auteur ; Sue Y. Adams, Auteur ; Mark J. Grantham, Auteur ; Jeremy R. Blackburn, Auteur ; Robert A. Robinson, Auteur ; Chris V. Wernham, Auteur ; Bridget M. Griffin, Auteur ; Linda J. Milne, AuteurThis is the 65th annual report of the British Trust for Ornithology's Ringing Scheme covering work carried out and data received in 2001. As part of the BTO's production of the landmark Migration Atlas: movements of the birds of Britain
Article
Jacquie A. Clark, Auteur ; Robert A. Robinson, Auteur ; Dawn E. Balmer, Auteur ; Jeremy R. Blackburn, Auteur ; Mark J. Grantham, Auteur ; Bridget M. Griffin, Auteur ; John H. Marchant, Auteur ; Kate Risely, Auteur ; Sue Y. Adams, AuteurThis is the 68th annual report of the British Trust for Ornithology's Ringing Scheme, covering work carried out, and data received, in 2004.During the year, changes in bird survival in relation to winter weather were studied. In almost all cases[...]
Article
Jeremy D. Wilson, Auteur ; Triantaphyllos Akriotis, Auteur ; Dawn E. Balmer, Auteur ; Antonios Kyrkos, AuteurPublished criteria for the separation of Reed Warbler Acrocephalus scirpaceus and Marsh Warbler A palustris in the hand were found to be of limited value in identifying these species in samples captured during autumn migration through the island[...]
