Dutch Birding volume 33 (2011) no 1
Artikelen / papers |
| 1 | Variation and difference in song between Western Bonelli’s Warbler and Eastern Bonelli’s Warbler [Variatie en verschil in zang tussen Bergfluiter en Balkanbergfluiter] Dick Groenendijk & Teus J C Luijendijk |
| Extra's: soundrecordings accompanying this paper | |
| 9 | Taimyr Gulls: evidence for Pacific winter range, with notes on morphology and breeding [Taimyrmeeuwen: bewijzen voor Pacifisch overwinteringsgebied en gegevens over morfologie en broeden] Klaas van Dijk, Sergei Kharitonov, Holmer Vonk & Bart Ebbinge |
| 22 | Birding in Brazil: Alta Floresta region Alexander C Lees |
| 34 | Rotskruiper bij Maastricht in november-december 2010 [Wallcreeper near Maastricht in November-December 2010] Arnold W J Meijer |
| 38 | Blauwe vorm Ross’ Gans op Schiermonnikoog in mei 2009 [Blue morph Ross’s Goose on Schiermonnikoog in May 2009] Martijn Bot |
| 40 | Reed Cormorant collected in Catalunya, Spain, in c 1855 osé Luis Copete, Xavier Ferrer, David Bigas, Carola Sanpera & David R Vieites |
| 43 | Black Guillemot at N’Gor, Senegal, in October 2008 Pierre Crouzier, Philippe J Dubois, Jean-Yves Frémont & Alain Verneau |
| 44 | Two Dickcissels and Dark-eyed Junco on Flores, Azores, in November 2009 Nico de Vries |
Redactiemededelingen / Editorial notes |
| 47 | Naamgeving van taxa in Dutch Birding [Taxa names in Dutch Birding] |
| 50 | Vernieuwing binnen redactie |
Corrigenda |
| 50 |
WP reports |
| 31 | Late November 2010–mid-January 2011 Arnoud B van den Berg & Marcel Haas |
Recente meldingen / recent reports |
| 61 | November-december 2010 Roy Slaterus & Vincent van der Spek |
DB actueel |
| 71 | Mobiele Grote Trap als Kerstverrassing [Great Bustard]; Recently described bird species |
Voorplaat / front cover |
| Tristrams Spreeuw / Tristram’s Starling Onychognathus tristramii, Aym Hamran, Oman, 17 april 2010 (René Pop/The Sound Approach) |
Sound recordings for the paper: "Variation and difference in song between Western Bonelli's Warbler and Eastern Bonelli's Warbler" by Dick Groenendijk & Teus J C Luijendijk, DB 33: 1-8, 2011.
Figure 2 Five examples of song trills of Western Bonelli's Warbler Phylloscopus bonelli illustrating amount of variation / Vijf voorbeelden van trillers van Bergfluiter Phylloscopus bonelli ter illustratie van variatie.
Bon1, bon2 & bon4 (recording of same individual / opname van zelfde individu): Tornavacas, Sierra de Gredos, Extremadura, Spain, 11 June 2002 (Arnoud B van den Berg/The Sound Approach)
bon3: Hoyos de Espinosa, Plataformes de Gredos, Castilla y Léon, Spain, 11 June 2002 (Arnoud B van den Berg/The Sound Approach)
bon5: Valencia, Spain, 15 April 2001 (Geoff Sample, as published in Sample (2003)).
Figure 3 Five examples of song trills of Eastern Bonelli's Warbler Phylloscopus orientalis illustrating amount of variation / Vijf voorbeelden van trillers van Balkanbergfluiter Phylloscopus orientalis ter illustratie van variatie.
Ori1 & ori2 (recording of same individual / opname van zelfde individu): Akseki, Turkey, 12 May 2001 (Magnus Robb/The Sound Approach)
ori3: Avas valley, Evros, East Macedonia, Greece, 27 April 2002 (Magnus Robb/The Sound Approach)
ori4: lake Megali Prespa, West Macedonia, Greece, 8 May 2002 (Magnus Robb/The Sound Approach)
ori5: Kennemerduinen, Bloemendaal, Noord-Holland, Netherlands, 15 May 1983 (Cornelis J Hazevoet, as published in Sample (2003)).
