Kenneth Able(1)
Martin S. Adamian(1)
Josephine Addison(1)
A. D. N.(1)
Kristian Adolfson(1)
Peter Adriaens(1)
Peter Alden(1)
Jonathan Alderfer(1)
David Alderton(1)
Thomas Alerstam(1)
H. G. Alexander(1)
Abdullah Alfadhel(1)
Sálim Ali(6)
Barbara Allen(1)
Daniel Allen(1)
Jake Allsop(1)
Per Alstrom(1)
Faris Al-Timimi(1)
K.L. Alvin(1)
Steven H. Amos(1)
Ian J. Andrews(1)
Michael Andrews(1)
Heather Angel(1)
Tony Angell(1)
Anonymous(1)
Mike Archer(1)
Norman Arlott(4)
Stan Armington(2)
Edward A. Armstrong(1)
Robert H Armstrong(1)
e. c. arnold(1)
E. N. Arnold(1)
Neil Arnold(1)
David Ascanio(1)
Jim Asher(1)
Trevor Ashwin(1)
Simon Aspinall(1)
Youth Hostel Association(1)
Ian Atherton(2)
David Attenborough(7)
S. Aulagnier(1)
Mark Avery(1)
Herbert Axell(2)
Raffael Ayé(1)
Miroslaw Badzioch(1)
T. B. Bagenal(2)
Paul J. Baicich(1)
Cy Baker(1)
J. A. Baker(1)
John Baker(1)
Kevin Baker(2)
Nick Baker(1)
David Ballance(2)
Dawn Balmer(1)
David Bannerman(1)
Clive Barlow(1)
J.A.G. Barnes(1)
John Barrett(1)
Peter Barthel(1)
Leo Batten(2)
Mel Baughman(1)
B. B. Riviere(1)
David Beadle(1)
Mark Beaman(2)
Alec Beckett(1)
Roy Beddard(1)
Bruce M. Beehler(3)
Les Beletsky(3)
Andrew Bender(1)
Donald J. Bennet(1)
Linda Bennett(1)
Constantine Walter Benson(1)
Phil Benstead(1)
Bo Beolens(2)
Arnoud B. van den Berg(3)
Matthias Bergbauer(1)
Patrick Bergier(1)
Ryan Ver Berkmoes(1)
Hans-Ulrich Bernard(1)
A. Berruti(1)
Peter Berthold(1)
Bharat Bhushan(1)
C.J. Bibby(1)
Keith Bildstein(1)
Tim Birkhead(2)
Johnny Birks(1)
Billy Bishop(1)
Alan Blair(1)
Marjorie Blamey(2)
Bryan Bland(1)
Andrew Bloomfield(2)
Steve Bloom(1)
Hubert Blount(1)
Derrick Boatman(1)
Bart de Boer(1)
G. C. Boere(1)
James Bond(1)
Robert Boote(1)
Olaf Booy(1)
Nik Borrow(3)
John Borwick(1)
Sheringham BO(1)
G. Bota(1)
Kiss Botond(1)
Caroline Boucher(1)
John Bowler(1)
William J. Boyle(1)
Russell Boyman(1)
J.D. Bradley(1)
Chris Bradshaw(1)
Alan Brady(1)
Martyn Bramwell(1)
Hugh Brandon-Cox(1)
John Bransbury(2)
Mark Brazil(3)
Bertil Breife(2)
Matthias Breiter(1)
David Brewer(1)
Brian Briggs(1)
Richard Brigham(1)
Andy Bright(1)
British Ornithologists' Union(1)
Paul Brock(1)
Richard Brooks(1)
Steve Brooks(1)
Andy Brown(1)
Leslie Brown(1)
Leslie Brown(4)
Bertel Bruun(3)
Stefan Buczacki(1)
John Bull(1)
John Bull(1)
Ian Burfield(1)
David Burnie(1)
John Burton(2)
John Burton(1)
John Burton(1)
Maurice Burton(1)
Philip Burton(3)
Philip Burton(1)
William Burt(1)
John Butler(1)
Robert W. Butler(1)
Simon Butler(1)
Thomas Butler(1)
Cindy Buxton(1)
John Buxton(1)
Clive Byers(2)
David Bygott(1)
David Cabot(2)
Tom Cade(1)
Tom Cadwallender(1)
A.C. Campbell(1)
Bruce Campbell(5)
E.J.F. Campbell(1)
Iain Campbell(1)
Richard Cannings(1)
G.J. Carey(1)
Rachel Carson(1)
Ian Carter(1)
Paul Carter(1)
Mark Carwardine(2)
Isabel Castro(1)
P. Chalmers Mitchell(1)
Stuart Chambers(1)
Steve Cham(1)
David Chandler(1)
David Chandler(2)
Richard Chandler(1)
Richard J. Chandler(1)
Paul Chanin(1)
S. Chan(1)
Phil Chantler(1)
Carl Chapman(1)
Bonnie Chartier(1)
Anthony Cheke(1)
Bob A. Cheke(1)
Jason Chen(1)
Sharon Chester(1)
Michael Chinery(3)
Alec H. Chisholm(1)
Christa Watters(1)
Leslie Christidis(1)
Stavros Christodoulides(1)
Burger Cillie(1)
A. R. Clapham(1)
Roger Clarke(1)
Tony Clarke(1)
J.M. Clark(1)
clarkjohn-19(1)
John S. Clark(1)
William S. Clark(1)
Andrew Cleave(1)
Nigel Cleere(2)
John Clegg(2)
Peter Clement(4)
James F. Clements(6)
Brian J. Coates(4)
Mark Cocker(4)
Stephanie Coghlan(1)
Sharon A. Cohen(1)
Sean Cole(1)
N. J. Collar(2)
David Collins(1)
Peter Combridge(1)
Berlitz Publishing Company(1)
Martin Cook(1)
Mel Cooksey(1)
Jerry A. Cooper(1)
William T. Cooper(1)
corbetg(2)
H. Costa(1)
Bill Coster(1)
Hugh B. Cott(1)
David Cottridge(1)
Regis Courtecuisse(1)
Jacques-Yves Cousteau(2)
Dominic Couzens(14)
T. A. Coward(1)
Adrian Craig(1)
Craig S Ralston(1)
Stanley Cramp(2)
Ingrid Cranfield(1)
Peter Cranswick(1)
Peter Crawford(1)
Derek Crawley(1)
Graeme Cresswell(1)
David Cromack(9)
Leonard Cronin(1)
M.J. Crosby(1)
Ernest Cross(1)
John R. Crossland(1)
Richard Crossley(2)
Jacquie Crozier(2)
Anne Cryer(1)
Gerald Cubitt(2)
Joe Cummings(2)
Jon Curson(1)
Stephen Dalton(1)
F. Fraser Darling(1)
Arnold Darlington(1)
Indraneil Das(1)
Simon Davey(1)
Alan Davies(2)
Nicholas B. Davies(1)
Stephen Davies(1)
L. Irby Davis(1)
G.W.H. Davison(3)
Richard Dawood(1)
Louise Dawson(1)
dayjc(1)
Anneliese Emmans Dean(1)
Tim. Dean(1)
Frank Debenham(1)
D. C. Deeming(1)
Eduardo de Juana(1)
Jean Delacour(4)
Simon Delaney(1)
Martin De la Pena(1)
Pierre Delforge(2)
Hakan Delin(1)
Alan Delorey(1)
Eduardo Garcia del Rey(3)
M.K. Dennis(1)
Nigel Dennis(2)
Roy Dennis(1)
Michael Denton(1)
Derek Onley(1)
David Desante(1)
C. Devenish(1)
John C. Devlin(1)
Raol Shri Dharmakumarsinhji(1)
Judy Diamond(1)
Edward C. Dickinson(1)
Janis L. Dickinson(1)
Tracy Dickinson(1)
James Dickson(1)
Jochen Dierschke(1)
Volker Dierschke(1)
Christian Dietz(1)
Reader's Digest(2)
Mike Dilger(2)
Robert J. Dobias(1)
A. Dobson(1)
Frank Dobson(1)
Paul Donald(1)
Jack Donovan(1)
Sean Dooley(1)
Thom van Dooren(1)
Don Dorling(1)
Jean Dorst(2)
Chris Doughty(1)
Jim Dowdall(1)
Audrey Downer(1)
Sandra Doyle(1)
Jo Draper(1)
H. E. Dresser(1)
drewesrobert(1)
Adele Droblas(1)
Philippe Dubois(1)
Philippe Dubois(3)
J.W. Duckworth(1)
Steve Dudley(2)
Chris Du Feu(1)
Andrew Duff(1)
Eric Duffey(1)
Patrick Dugan(1)
Nils Van Duivendijk(1)
Judith Dunham(1)
Pete Dunne(1)
John Stewart Dunning(2)
Jon L. Dunn(4)
Tim Dunn(1)
John Eleuthère DuPont(2)
Alain Dupre(1)
Marc Duquet(2)
Roger Durman(1)
Gerald Durrell(10)
dutsonguycl(1)
Keith Dye(1)
J. N. Dymond(3)
Ted Eales(1)
Trevor Easterbrook(1)
Zoltán Ecsedi(1)
Herbert L. Edlin(3)
Ernest Preston Edwards(3)
Mike Edwards(1)
Charlie Elder(2)
Peter Eldin(1)
Norman Elkins(1)
Lang Elliott(1)
Richard Elliott(1)
David Ellis(1)
Malcolm Ellis(1)
Pete Ellis(1)
Jonathan Elphick(4)
Colin Emberson(1)
J. Emerson, Farrow, F., Leech, T. et al.(1)
Louise H. Emmons(1)
James H. Enderson(1)
Jim Enticott(1)
Hanne Eriksen(2)
Jens Eriksen(1)
Johannes Erritzoe(2)
Robert Etchécopar(1)
Geoffrey Eu(1)
European Commission(1)
G Evans(1)
I. O. Evans(1)
Lee G.R. Evans(7)
Peter Evans(1)
Steven & Lewington Falk, R.(1)
R. A. Falla(1)
John Farrand(1)
Mary Fedden(1)
Alan Feduccia(1)
George H. Fenwick(1)
David Ferguson(1)
James Ferguson-Lees(5)
Peter N. Ferns(1)
Marco Ferrari(1)
Richard ffrench(2)
Clive Finlayson(1)
Paolo Fioratti(1)
Amen Fisher(1)
James Fisher(1)
James Fisher(4)
Julian Fitter(3)
Richard Fitter(7)
fjeldsaaj(1)
Jim Flegg(6)
Robert L. Fleming(1)
Peter R. Flint(1)
Vladimir Flint(1)
Robert G Flood(3)
Peter Forbes(1)
Edward Howe Forbush(1)
R. L. E. Ford(1)
forresterbruce(1)
Ron Forrester(1)
Michael Forsberg(1)
Joseph Michael Forshaw(4)
Dick Forsman(2)
Elizabeth Forster(1)
Adrian Forsyth(1)
Paul G. M. Foster(1)
Nuffield Foundation(1)
Charles M. Francis(1)
Julian Francis(1)
Harry Frauca(1)
Rob Fray(1)
Clifford B. Frith(1)
H. J. Frith(1)
C. Hilary Fry(1)
Robert J. Fuller(1)
Jennifer Fulton(1)
Michl Gabor(1)
Michael Gallagher(1)
Paul Gallico(1)
Rafael Antonio Galvez(1)
Usha Ganguli(1)
S. J. M. Gantlett(3)
Nick Garbutt(2)
Ernest Garcia(1)
Leslie Garisto(1)
Martin Garner(3)
Orlando Garrido(1)
Richard Garrigues(2)
Anthony J. Gaston(1)
Heinrich Gatke(1)
Wulf Gatter(1)
Lexo Gavashelishvili(1)
Rosemary Gaymer(1)
Geographer's Map Co.(1)
David Wingfield Gibbons(1)
David Gibbs(1)
Graeme Gibson(2)
Frank B. Gill(1)
Eric Gillham(1)
P. J. Ginn(1)
G. L. Atkinson-Willes (Editor)(1)
Neil Glenn(1)
David Glue(1)
Andreas Gminder(1)
Benny Génsbøl(1)
W. Earl Godfrey(1)
Mark Golley(3)
Chris Gomersall(1)
Chris Gooddie(1)
John Gooders(13)
Peter Goodfellow(2)
Steven M. Goodman(1)
Derek Goodwin(3)
Mary Lou Goodwin(1)
Dan Gookin(1)
Seton Paul Gordon(1)
Gerard Gorman(2)
Andrew Gosler(1)
Dave Gosney(16)
Rebecca L. Grambo(2)
Joan Grant(1)
P. J. Grant(1)
Stephen Green-Armytage(1)
George Green(1)
Ian Green(1)
John Green(1)
Jonathan Green(1)
Francesca Greenoak(1)
Alan Greensmith(1)
Tom Green(1)
J. C. Greenway(1)
G. Gregory(1)
Phil Gregory(2)
Bikram Grewal(4)
Edward Grey(1)
Jack L. Griggs(1)
Richard Grimmett(8)
Paul Géroudet(1)
Katrina van Grouw(1)
E S GRUSON(1)
C.A.W. Guggisberg(2)
K. K. Gurung(1)
Gutierrez Martin(1)
Ricard Gutiérrez(1)
Marcel Haas(1)
Don Hadden(1)
Ward J. M. Hagemeijer(1)
Alan R. Hale(1)
Charles Hall(1)
Bruce Hallett(1)
Richard Hallewell(1)
Tim Halliday(1)
Sue Halpern(1)
Theodor Haltenorth(1)
Mark Hamblin(1)
Garry Hamilton(1)
Gordon Hamlett(1)
Nicholas Hammond(3)
Reginald J. W. Hammond(1)
James A. Hancock(5)
George Handrinos(1)
James Hanlon(1)
Jännes Hannu(1)
Peter Hansard(1)
Jan Hanzák(1)
M. G. Harasewych(1)
Chris Harbard(1)
Roger Harkness(1)
Peter C. Harper(1)
Anne Harrap(2)
Simon Harrap(7)
Brian Harrington(1)
Alan Harris(1)
Alan Harris(1)
Michael Harris(1)
Colin Harrison(1)
Colin James Oliver Harrison(1)
George H. Harrison(1)
James Harrison(1)
John Harrison(1)
Ken Harrison(1)
Peter Harrison(2)
Tim Harris(1)
Tony Harris(2)
Hugh Harrop(1)
Mubashir Hasan(1)
Desmond Hawkins(1)
Frank Hawkins(1)
Daisaku Hayashi(1)
Peter Hayman(1)
Peter Hayman(4)
John Hayward(1)
Cornelis J. Hazevoet(1)
Graham Hearl(1)
Barrie Heather(1)
heathmf(1)
Andrew Heaton(1)
Olle Hedvall(1)
Hermann Heinzel(1)
Nigel Henbest(1)
Carrol L. Henderson(1)
J. A. Henderson(1)
G.M. Henry(1)
Adrian Hepworth(1)
G. A. C. Herklots(1)
Paul Herroelen(1)
Mae Hickman(1)
Nigel Hicks(1)
Terry Hicks(1)
L.G. Higgins(1)
Dirk Hilbers(2)
Geoffrey E. Hill(2)
Paul Martin Hill(1)
John Hills(1)
Steven L. Hilty(3)
Sally Hinchcliffe(1)
David Hindle(1)
Erik Hirschfeld(1)
Norbert Hölzel(1)
Hokur Yukan(1)
Peter Holden(7)
P. A. D. Hollom(3)
John Holloway(1)
John Holloway(1)
Derek Holmes(1)
Harold R. Holt(1)
D. T. Holyoak(1)
David Hosking(1)
Eric Hosking(2)
W. G. Hoskins(1)
Patrick F. Houlihan(1)
Pete Howard(1)
Richard Howard(1)
Steve N. G. Howell(10)
Josep Del Hoyo(3)
C. E. Hubbard(1)
Nigel O. Hudson(1)
Robert Hudson(1)
W. H. Hudson(1)
Robin Hull(1)
Kate Humble(1)
Rob Hume(14)
Philip Strong Humphrey(1)
Luke Hunter(1)
Clive D. Hutchinson(2)
Ray Hutchins(1)
Howard Inns(1)
Carol Inskipp(2)
Tim Inskipp(1)
Birdlife International(1)
Himaru Iozawa(2)
Paul Isenmann(5)
Islands Partnership(1)
Morton Isler(1)
Samuel Israel(1)
IUCN(1)
Bill Jackson(1)
Christine E. Jackson(2)
Noel Jackson(1)
Conor Mark Jameson(3)
Paul James(1)
Álvaro Jaramillo(1)
Alvaro and Burke Jaramillo, Peter(1)
Jeffery Boswall(1)
Dilwyn Jenkins(1)
Lukas Jenni(1)
Jørn Vestergaard Jensen(1)
A.C. Jermy(1)
Allen Jeyarajasingam(1)
Zhao Ji(1)
Hannu Jännes(3)
James A. Jobling(1)
Paul A. Johnsgard(5)
Owen Johnson(3)
Peter Johnson(1)
Andrew K. Johnston(1)
Laughton Johnston(1)
Darryl N. Jones(1)
H. Lee Jones(1)
Lars Jonsson(1)
Michael Jordan(1)
Burt Monroe Jr.(1)
Eduardo de Juana(1)
Joop Jukema(1)
Tony Juniper(2)
Albert Jutglar(1)
Takuya Kanouchi(1)
Kenn Kaufman(2)
Roland W. Kays(1)
Krys Kazmierczak(2)
Barnes K., R. S.(1)
Graham Kearn(1)
R. Kearton(1)
Tony Keene(1)
Allan R. Keith(1)
Verena Keller(1)
Kelly Geoffrey(1)
Alan Kemp(2)
John Kemper(1)
Adam Scott Kennedy(1)
Robert S. Kennedy(1)
Christopher Kenworthy(1)
John Godley Kilbracken(1)
Ben King(1)
Jonathan Kingdon(1)
Doreen King(1)
Simon King(2)
Warren B. King(1)
Carl Christian Kinze(1)
Richard Kipling(1)
Guy Kirwan(1)
Alan Knox(1)
Algirdas Knystautas(2)
Ludwig Koch(2)
Dan Koeppel(1)
Claus König(1)
Klaus Konig(1)
André Konter(1)
Josef Kren(1)
Axel Kwet(1)
Andrew Lack(1)
David Lack(1)
Peter Lack(1)
Jill Laidlaw(1)
Lasse Laine(1)
Frank Lambert(1)
Robert Lambert(1)
Land Rover(1)
James A. Lane(1)
A.F. Langham(1)
Olivier Langrand(1)
Hans Larsson(1)
Patrick Laurie(1)
M.J. Lawrence(1)
Paul Leader(1)
Roger J. Lederer(1)
Alexander Lees(1)
Woo-Shin Lee(1)
Norbert Lefranc(1)
Rodney Legg(1)
Paul Lehman(1)
Boonsong Lekagul(2)
Josi Leshem(1)
Christopher Lever(3)
Ian Lewington(1)
Richard Lewington(1)
Hilary Leonard Lewis(1)
Frances Lincoln(1)
Jan Lindblad(1)
David Lindo(1)
E. F. Linssen(1)
Michael Lister(1)
Elbert Luther Little(2)
Rob M. Little(1)
Yong Ding Li(1)
Buster Lloyd-Jones(1)
Jen Llywelyn(1)
R. M. Lockley(1)
Mark Lockwood(2)
William Burley Lockwood(1)
Lars Löfgren(1)
John Long(1)
John Long(1)
J. E. Lousley(1)
Roger Lovegrove(2)
John A. Love(1)
Derek Lovitch(1)
James Lowen(1)
Rosemary Low(1)
Tim Low(1)
Hugh David Loxdale(1)
Ligue de Protection des Oiseaux(1)
Nicholas Luard(1)
Bernard Lugrin(1)
Arne Lundberg(1)
Hugh Lupton(1)
Richard Lydekker(2)
Wayne Lynch(1)
Richard Mabey(4)
David MacDonald(2)
Helen Macdonald(1)
MacDonald J D(1)
John Mackinnon(1)
John Mackinnon(3)
Tim Mackrill(1)
Cyril W Mackworth-Praed(3)
Lea MacNally(2)
Mike Madders(3)
Steve Madge(3)
Gernant Magnin(1)
Jeremy Mallinson(1)
Chris Manley(1)
Clive Mann(1)
S. Marchant(1)
Thomas Marent(1)
Carlo Mari(1)
Manuel Marin(1)
Peter Marren(2)
Andrew Marshall(1)
Keith Marsh(1)
Clem Martini(2)
Stephen Martin(1)
W. Keble Martin(2)
John M. Marzluff(2)
C.F. Mason(1)
Paul Mason(1)
Joseph A. Massey(1)
Jane Matthews(1)
L. Harrison Matthews(1)
Peter Matthiessen(1)
Gavin Maxwell(4)
Derwent May(1)
A. McBride(1)
James McCallum(2)
Deke McClelland(1)
Andrew McCloy(1)
David McCosh(1)
Niven McCrie(1)
Neil McCulloch(1)
Anthony McGeehan(3)
Rory McGrath(1)
G. R. McLachlan(1)
Ian McLaren(1)
Sara McMahon(1)
Miles McMullan(1)
Gerald McWilliams(1)
Chris Mead(1)
Barbara Mearns(1)
R. D. Meikle(1)
Kenneth Mellanby(1)
Peter Menkhorst(1)
Vivek Menon(1)
Matt Merritt(1)
Stephen Message(1)
Rodolphe Meyer de Schauensee(3)
Michael I. Evans(1)
Heimo Mikkola(2)
Barry Miles(1)
John Miller(1)
Richard Millington(2)
Paul Milne(1)
Philippe Milon(1)
Alan Mitchell(2)
Dominic Mitchell(1)
Donna Mitchell(4)
Tony Mitchell-Jones(1)
Russell A. Mittermeier(1)
Steven G. Mlodinow(1)
Jose Antonio Montero(1)
Geoff Moon(1)
Derek Moore(2)
Ray Moore(1)
Richard Moores(1)
Michael Morcombe(1)
John Morgan(1)
Nick Morgan(1)
Arthur Morris(1)
Desmond Morris(1)
Stephen Morrison(1)
Pat Morris(3)
Peter Morris(1)
Stuart Morris(2)
Stephen Moss(6)
Alan Mountain(1)
Guy Mountfort(4)
John Muddeman(1)
Christa P. H. Mulder(1)
P. J. Mundy(1)
David Murdoch(1)
R.K. Murton(1)
Chris Myers(1)
Susan Myers(1)
Hitoshi Nakayasu(1)
Rishad Naoroji(1)
Tito Narosky(1)
K. A. Naylor(2)
Paul Naylor(1)
NBC(1)
Ernest G. Neal(2)
Sarah Nechamkin(1)
Boris Nedosekov(1)
Bryan Nelson(1)
Ivan Nethercoat(1)
Desmond Nethersole-Thompson(2)
New Holland(1)
D.E. Newland(1)
Kenneth Newman(3)
Ian Newton(2)
E. M. Nicholson(1)
Jürgen Nicolai(1)
Lloyd Nielsen(3)
David B. Norman(1)
NPMS(1)
NWT(3)
Matthew Oates(1)
Mark W. Oberle(1)
Mark Obmascik(1)
Michael O'Brien(1)
Daniele Occhiato(1)
Michael O'Clery(1)
Bill Oddie(10)
M. A. Ogilvie(5)
Arne Ohlsson(1)
Bjorn Olav Tveit(1)
Georges Olioso(1)
Silas Olofson(1)
Klaus Malling Olsen(2)
Lars-Henrik Olsen(1)
Kathy Ombler(1)
Orbis Publishing(1)
Jack Orchel(1)
Dansk Ornitologisk(1)
Denis Owen(1)
Myrfyn Owen(2)
Nick Owens(1)
Chris Packham(1)
Michael Paice(1)
Deborah J. Pain(1)
Thomas Pakenham(1)
Malcolm Palmer(3)
Philip Palmer(1)
Ralph Palmer(1)
Steve Parker(1)
Theodore A. Parker(1)
David Parkin(1)
Brian Parkinson(1)
John W.K. Parr(1)
Kevin Parr(1)
James Parry(2)
James Parry(1)
Jemima Parry-Jones(1)
John Parslow(1)
Rosemary Parslow(1)
H.N. Pashley(1)
Arthur Henry Patterson(1)
Dennis Paulson(2)
J. Payne(1)
Uzi Paz(1)
Mark Pearman(1)
William Harold Pearsall(1)
David Pearson(1)
David L. Pearson(3)
William S. Peckover(1)
Tommy Pedersen(1)
John E. Pemberton(15)
R. D. Penhallurick(2)
Malcolm Penny(1)
Yoav Perlman(1)
Ber van Perlo(5)
Christopher M. Perrins(1)
C. P Petch(1)
Jens Peters(1)
Roger Tory Peterson(6)
Owen Sewall Pettingill(1)
Otto Pfister(1)
Prince Philip, Duke of Edinburgh(1)
Anthea Phillipps(1)
Roger Phillips(2)
W. W. A. Phillips(1)
Bryan J. Pinchen(1)
Javier Pinero(1)
Steve Piotrowski(1)
Alan Pistorius(1)
Adrian Pitches(1)
Aasheesh Pittie(1)
Graham Pizzey(1)
Woutersen Platteeuw(1)
Heinz Plenge(1)
Jose Luis Vivero Pol(1)
Ernest Pollard(1)
Mark Pollitt(1)
popatovroald(1)
Joyce Pope(1)
Mike Pope(1)
Jim Porter(1)
Richard Porter(4)
Eugene Potapov(2)
Alan Potts(1)
Bill Pranty(1)
S.H. Prater(1)
Tony Prater(1)
H. Douglas Pratt(1)
Bob Press(1)
Ken Preston-Mafham(1)
Jeff Price(1)
Cecil Thomas Prime(1)
Elizabeth Prince(1)
Elsie Proctor(1)
Noble S. Proctor(1)
AA Publishing(2)
DK(1)
F. Purves(1)
Peter Pyle(3)
Quentin Quartermain(1)
Rob Rachowiecki(1)
Herbert Raffaele(3)
Asad R. Rahmani(1)
Andre Raine(1)
Zoë Randle(1)
Pamela C. Rasmussen(2)
Derek Ratcliffe(1)
Winwood Reade(1)
Mike Read(1)
Michael Rebane(1)
Maties Rebassa(1)
Chris Redfern(1)
Nigel Redman(1)
Sébastien Reeber(1)
Fiona A. Reid(1)
Robin Restall(2)
John Rhead(1)
T. Rheinallt(1)
Alan Richards(1)
Dave Richards(1)
Colin Richardson(3)
W.Kenneth Richmond(1)
T.C.G. Rich(1)
Harry Ricketts(1)
Gordon Riddle(2)
Robert S. Ridgely(5)
Victoria de Rijke(1)
Adrian M. Riley(2)
Sidney Dillon Ripley(1)
James D. Rising(2)
Andy Roadhouse(1)
Chandler S. Robbins(1)
G. E. S. Robbins(1)
Magnus Robb(1)
Don Roberson(2)
Bethan Roberts(1)
James Roberts(1)
Peter Robinson(1)
Craig Robson(4)
Jorge Rodríguez Mata(1)
David Rosair(1)
Francis Rose(1)
Cees S. Roselaar(1)
Malcolm Ross-MacDonald(1)
Jonathan Rossouw(2)
David Rothenberg(1)
Peter Rowland(1)
Beau W. Rowlands(1)
Ian Rowley(2)
Chris Rowthorn(1)
Angela Royston(1)
Tui De Roy(2)
(1)
RSPB(1)
Alison Ruggles(1)
John Ryan(1)
Kent Rylander(1)
Marco Sacchi(1)
Paul Salaman(1)
Boysen Sally(1)
Alan Samagalski(1)
Geoff Sample(4)
Jack Sanders(1)
Kailash Sankhala(1)
Chris Santella(1)
Dave Sargeant(1)
David Saunders(2)
Boria Sax(2)
Sebastian Schmidt(1)
Richard Schodde(1)
Gail Schofield(1)
Brad Schram(1)
Thomas S. Schulenberg(1)
Patricia Schultz(1)
Holger Schulz(1)
Heike Schütze(1)
Malcolm Schuyl(1)
Paul Scofield(1)
D A Scott(1)
Peter Scott(1)
Peter Scott(2)
S. David Scott(1)
T. H Scott(1)
Walter Scott(1)
Moss Taylor(3)
Henry Seebohm(2)
Andrew Self(1)
William Dr Serle(1)
Matt Sewell(5)
David Sexton(1)
J.T.R. Sharrock(4)
Michael Shepherd(4)
Rui-De She(1)
Tadao Shimba(1)
Hideo Shimura(1)
Hadoram Shirihai(9)
Philip Shooter(1)
Lester L. Short(1)
Michael Shrubb(2)
Lawton L. Shurtleff(1)
David Sibley(3)
David Sibley(2)
Rulon Simmons(1)
David Simpson(1)
Ken Simpson(3)
Ian Sinclair(5)
J.C. Sinclair(1)
Detlef Singer(1)
Bal Ram Singh(1)
Sarina Singh(1)
Adrian Skerrett(1)
Bernard Skinner(1)
Russell Slack(1)
Peter Slater(3)
Arnold Small(1)
Dave Smallshire(1)
Andrew T. Smith(1)
smithersreay(1)
Roly Smith(1)
Bertram E. Smythies(1)
Phoebe Snetsinger(1)
Alan Snook(1)
David Snow(1)
David Snow(1)
Noel F. R. Snyder(1)
SOC(1)
National Geographic Society(2)
Vancouver Natural History Society(1)
Rick Soehren(1)
Eric Soothill(2)
Tony Soper(2)
Richard South(3)
Richard Southwood(1)
Deodato Souza(1)
Terry Spamer(1)
John Sparks(2)
Stephen Spawls(1)
Robert Spencer(1)
Jeroen Speybroek(1)
Peter Spierenburg(1)
Margot Spohn(2)
Alexander Sprunt(1)
Clive Anthony Stace(1)
Arthur Stagg(1)
F.N. Stagg(1)
P. STANDLEY(1)
Christopher Stanley(1)
Alison Stattersfield(2)
George Stebbing-Allen(1)
J. A. Steers(1)
Edward Step(1)
David Stephen(1)
Tom Stephenson(2)
Phil Sterling(2)
Paul Sterry(4)
Henry Stevenson(1)
Terry Stevenson(1)
Amy Stewart(1)
Brent S. Stewart(1)
Belinda Stewart-Cox(1)
F. Gary Stiles(1)
Patrick Stirling-Aird(1)
Ian Stirling(1)
George M. Stirrett(1)
Andy Stoddart(3)
W. J. Stokoe(6)
Bernard Stonehouse(2)
Malcolm Stott(1)
Ronald Strahan(2)
Roberto Straneck(8)
Ian Strange(1)
Morten Strange(4)
David Streeter(1)
Philip Street(1)
Chris Stuart(2)
Bridget Stutchbury(1)
Debbie Summers(1)
Fiona Sunquist(1)
Lars Svensson(1)
Lars Svensson(7)
L. Svensson, Mullarney, K. & Zetterstrom, D.(1)
Daniel N. Svingen(1)
Andy Swash(1)
Richard Synge(1)
Shmulik Taggar(1)
Malcolm Tait(3)
Shinji Takano(1)
Nobuo Takeshita(1)
Malachy Tallack(1)
Warwick Tarburton(1)
Peter Tate(2)
Barry Taylor(1)
Ed Taylor(1)
F. J. Taylor(1)
Kenny Taylor(1)
Marianne Taylor(8)
Moss Taylor(4)
Richard Cachor Taylor(1)
Sue Taylor(1)
Adobe Creative Team(1)
Alan Tennant(1)
Michel Thévenot(1)
The Woodland Trust(4)
Jean-Claude Thibault(1)
Barrie Thomas(1)
Jeremy Thomas(1)
Jeremy Thomas(2)
Lisa Thomas(1)
Richard Thomas(1)
Des Thompson(2)
J. Arthur Thomson(1)
Valerie Thom(2)
Archibald Thorburn(3)
Bob Thornton(1)
Brendan Threlfall(1)
Claud Buchanan Ticehurst(1)
W.L.N. Tickell(1)
The Times(1)
Niko Tinbergen(1)
David Tipling(7)
Kim Todd(1)
Tom Tolman(2)
Ludwik Tomialojc(2)
Mike Tomkies(10)
David Tomlinson(2)
Mike Toms(3)
Michael H. Tove(1)
Martin Townsend(1)
Isabella Tree(1)
R B Treleaven(1)
Jack Tresidder(1)
Dorset Wildlife Trus(1)
Barn Owl Trust(1)
National Trust(1)
Woodland Trust(1)
M Tucker(1)
Vic Tucker(1)
Gerald Tuck(1)
Colin Tudge(1)
C. F. Tunnicliffe(1)
Angela Turner(2)
David Turner(1)
James Turner(1)
T. G. Tutin(1)
John L. Tveten(1)
Michael Tweedie(1)
Colin Twist(2)
Mike Tyler(1)
Miklos D. F. Udvardy(1)
Charlotte Uhlenbroek(1)
Magnus Ullman(1)
John Underwood(1)
unknown author(1)
Mike Unwin(4)
Carlos Urdiales(1)
Abdul Jamil Urfi(1)
Ewan Urquhart(1)
Thomas Valqui(2)
John Vandenbeld(1)
Markus Varesvuo(2)
Richard Vaughan(1)
Charles Vaurie(2)
W A Venables(1)
William N. Venables(1)
S Vere Benson(1)
Enrique Vidal(1)
Andrew Village(1)
Edwin Vincent(1)
Clive Viney(2)
Keith Vinicombe(2)
Alan (ed) Vittery(1)
K. H. Voous(3)
Matthew M. Vriends(1)
A. Wainwright(1)
Kazimierz Walasz(1)
Dylan Walker(1)
G. Wallace(1)
Ian Wallace(1)
Martin Walters(1)
Michael Walters(1)
Chris Waltho(1)
Jiaxiong (Wu Wang, Sen-Hsiong)(1)
Deepal Warakagoda(1)
Mark Ward(1)
Rod Ward(1)
Paul Waring(1)
Georg Warnecke(1)
Celia Warren(1)
Arend Wassink(1)
Michael Waterhouse(1)
Dick Watling(2)
Adam Watson(1)
Donald Watson(1)
E. Vernon Watson(1)
Geoffrey Watson(1)
James D. Watson(1)
Jeff Watson(1)
Lyall Watson(1)
Dave Watts(1)
Roland H. Wauer(1)
David Webb(1)
Karl Weber(1)
Doug Wechsler(1)
weirvincent(1)
David R. Wells(1)
Diana Wells(1)
Jeffery Vance Wells(1)
Michael Graham Wells(1)
Graham Wellstead(1)
Terry Wells(1)
Chris Wernham(1)
George C. West(1)
Tim Westoll(1)
Brett Westwood(1)
Alexander Wetmore(1)
Nigel Wheatley(6)
Brian K. Wheeler(1)
Tony Wheeler(1)
Hugh Whistler(1)
Alexander S. White(1)
Gilbert White(3)
Mel White(1)
Mr White(1)
Roger J White(1)
Sarah Whittley(1)
Brian A. Whitton(1)
John A. Wiens(1)
Wildlife Trusts (Great Britain)(1)
Edgar Williams(1)
Jeff Williams(1)
J. G. Williams(1)
John George Williams(1)
Martin Williams(1)
Kenneth Williamson(1)
Richard Williamson(1)
Tony D. Williams(1)
Robert Willox(1)
Andrew Mark Wilson(1)
Don Wilson(1)
Helen F. Wilson(1)
Jim Wilson(1)
Martin Windrow(1)
Hans Winkler(1)
Marie Winn(1)
H. F. Witherby(1)
withersmartin(1)
Martin Woodcock(1)
Simon Wood(1)
Robin W. Woods(1)
Tim Woodward(1)
Esther Woolfson(1)
Michael Wright(1)
Derek Yalden(1)
Yoshimaro Yamashina(1)
W. B Yapp(1)
David Yekutiel(1)
Reuven Yosef(2)
Geoffrey Young(1)
Peter Young(1)
Steve Young(1)
Mu-bu Yun(3)
Tito Yzurieta Narosky(1)
Paul Arthur Zahl(1)
Jorje Zalles(1)
Herbert Spencer Zim(2)
Kevin J. Zimmer(1)
Dale A. Zimmerman(2)
Leo Zwarts(1)
NA(1)