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The nest record scheme / by H. Mayer-Gross.
by Mayer-Gross, Henry. Material type:  Book Publisher: [Hertfordshire] : The British Trust for Ornithology, 1970Availability: Items available for loan: Biblioteca Aranzadi [Call number: 591.56 MAY] (1).
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Identification Guide to European Non-Passerines / Kevin Baker.
by Baker, Kevin. Material type: Book Publisher: Thetford: The British Trust for Ornithology, 1993Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.22/.27(4) BAK-2] (2).
Open Library:
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Report on bird-ringing for 1972 / by Robert Spencer and Robert Hudson.
by SPENCER, Robert. Material type: Book Publisher: Hertfordshire : British Trust for Ornithology, 1974Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:57.082.13(410)(047) SPE] (1).
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Report on bird-ringing for 1973 / by Robert Spencer and Robert Hudson.
by SPENCER, Robert. Material type: Book Publisher: Hertfordshire : British Trust for Ornithology, 1975Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:57.082.13(410)(047) SPE] (1).
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Report on bird-ringing for 1975 / by Robert Spencer and Robert Hudson.
by SPENCER, Robert. Material type: Book Publisher: Hertfordshire : British Trust for Ornithology, 1977Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:57.082.13(410)(047) SPE] (1).
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Report on bird-ringing for 1970 / by Robert Spencer.
by SPENCER, Robert. Material type: Book Publisher: Hertfordshire : British Trust for Ornithology, 1972Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:57.082.13(410)(047) SPE] (1).
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Guide to the identification and ageing of Holarctic waders / Tony Prater, John Marchant and Juhani Vuorinen.
by PRATER, Tony. Material type: Book Publisher: Herts : The British Trust for Ornithology, 1977Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.243 PRA] (1).
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Identification for ringers / by Kenneth Williamson.
by WILLIAMSON, Kenneth. Edition: [1st ed., repr.]. --Material type: Book Publisher: [Herts?] : British Trust for Ornithology, --Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.288.6 WIL] (1).
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Bird Ringing : a concise guide / By Dawn Balmer ... [et al.]. Material type: Book Publisher: Norfolk (U.K.) : BTO, British Trust for Ornithology, 2008Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:57.082.13 BIR] (1).
Open Library:
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Bird Atlas : 2007-11 : the breeding and wintering birds of Britain and Ireland / [Dawn Balmer ... et al.].
by Dawn Balmer. Material type: Book Publisher: Norfolk : British Trust for Ornithology Books (BTO Books), 2013Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:591.9(41) BIR] (1).
Open Library:
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LifeCycle : The BTO Magazine for Ringers and Nest Recorders / British Trust for Ornithology
by British Trust for Ornithology. Material type:  Continuing resource; Format:
print
Publisher: Thetford, Norfolk : British Trust for Ornithology Availability: Items available for loan: Hemeroteca Aranzadi [Call number: 598.28(05) LIF] (7).
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Time to fly : exploring bird migration / by Jim Flegg.
by Flegg, Jim | British Trust for Ornithology. Material type: Book; Format:
print
; Literary form:
Not fiction
Publisher: Thetford : British Trust for Ornithology, 2004Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:591.543.43 FLE] (1).
Open Library:
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The effects of climate change on migratory waterbirds within the African-Eurasian Flyway / Ilya M.D. Maclean ...[et al.]
by Maclean, Ilya M.D. Material type: Book; Format:
print
; Literary form:
Not fiction
Publisher: Norfolk: British Trust for Ornithology, 2007Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:551.583 EFF] (1).
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Nestboxes / Chris du Feu.
by Du Feu, Chris. Material type: Book Publisher: Tring : British Trust for Ornithology, 1985Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2 FEU] (1).
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Moult in birds / H. B. Ginn, D. S. Melville
by Ginn, H. B | Melville, D. S | The British Trust for Ornithology. Edition: Reimp. 2007Material type: Book; Format:
print
; Literary form:
Not fiction
; Audience:
Adult;
Publisher: Norwich : British Trust for Ornithology, 2000Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:591.169 GIN] (1).
Open Library:
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Seasonal movements of summer migrants / Nick Riddiford, Peter Findley.
by Riddiford, Nick | Findley, Peter. Material type: Book Publisher: Tring (Beech Grove, Tring, Herts.) : British Trust for Ornithology, 1981Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:591.543.43 RID] (1).
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Bird ringing : a concise guide / by Dawn Balmer ... [et. al.].
by Balmer, D. E. (Dawn E.) | British Trust for Ornithology. Material type: Book; Format:
print
; Literary form:
Not fiction
Publisher: Thetford : British Trust for Ornithology, 2008Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:57.082.13 BIR] (1).
Open Library:
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Population trends in British breeding birds / John H. Marchant ... et al.]
by Marchant, John H. Material type: Book; Format:
print
; Literary form:
Not fiction
Publisher: Norfolk : British Trust for Ornithology, 1990Availability: Items available for loan: Biblioteca Aranzadi [Call number: 598.2:591.9(410) POP] (1).
Open Library:
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