Julian Bosch
06-19477687
julian.bosch@dutchbirding.nl

Range extension of Great Grey Owl in Europe
DB 35:3 (2013)  ·  pagina's 145-154  ·  Łukasz Ławicki, Andrej V Abramčuk, Sergey V Domashevsky, Uku Paal, Roar Solheim, Tomasz Chodkiewicz & Bartłomiej Woźniak
1). Surveys of ringed Great Grey Owls show that adults and juveniles may choose different dispersal ... (figure 1). In autumn 2012, birds were reported from six localities in the same area. In central ..., Białowieża forest, Bobrovichy area, Belarus, 31 May 2010 (Ronald Messemaker) 180 Great Grey Owl ... Russia (König et al 2008, Mebs & Scherzinger 2008, Mikkola 2012; figure 1). The poorly known population ...-eastern districts ever since the first breeding pair was found there in 1989 (Solheim 2009; figure 1

Dutch Birding Break naar de Azoren
Evenementen  ·  2 mei 2012
paspoort en de keuze voor een 1- of 2-persoonskamer.Prijs: ca. EUR 1145,- ... dag gaan we direct door met een binnenlandse vlucht naar Flores. Dit eiland, dat slechts 17 x 12 ... dag varen we naar het nog kleinere Corvo, dat slechts 6,5 bij 4 kilometer meet. De komende 2 dagen ... Dutch Birding Break naar de Azoren! Deze vulkanische archipel ligt aan de rand van het West ... steltlopers en watervogels. Amerikaanse en Europese steltlopers zitten hier door elkaar en het is niet

Spaanse Keizerarend over Loozerheide in mei 2007
DB 33:2 (2011)  ·  pagina's 94-102  ·  René Weenink, Nils van Duivendijk & Enno B Ebels
verder beschrijving gemeld door William E Southern in zijn recensie van The birds of Africa 1 (Auk 100 ... is typical for ‘imperial eagles’; most (but not all) ‘fulvescens’ have darkish face and throat, darker than ... ochtend begon met mist maar al snel brak de zon door en was er alleen nog sprake van hoge ... locatie op slechts 1-2 km afstand van de telpost nog in het vizier krijgen. De vogel maakte op RW ... Hoge Atlas, Souss, Bas Draa en Dades-Draa (dus globaal ten zuiden van de Atlas) ‘onzeker zijn door

Influx of Great White Pelicans in Sardinia, Italy, in spring 2008
DB 34:5 (2012)  ·  pagina's 289-293  ·  Marcello Grussu & Alessia Atzeni
) Figure 1 Maps of Sardinia with records of Great White Pelicans Pelecanus onocrotalus (individuals .... The group stayed in this area for the following days, while in the same period other single birds ... and southern coasts of Sardinia hosted an influx of at least 60 individuals (figure 1). Almost all the birds were in juvenile/immature plumage (1-2 years old) and only one bird, at Molentargius ... maart met 34 exemplaren en de tweede groep bij Sa Praia begin maart met c 20 (zie figuur 1 voor

Birds of tropical Asia - sounds and sights (CD-ROM) by Jelle Scharringa
DB 21:4 (1999)  ·  pagina 221  ·  J J (Han) Blankert
and the presentation of travel reports, and CD-ROMs like Birds of tropical Asia demonstrate the dynamics of combined sounds and images. This CD-ROM was tested on a Pentium 200 MMX pc with 64 MB of S-DRAM and 32 ...Jelle Scharringa 1999. Birds of tropical Asia – sounds and sights (CD-ROM, Windows 3.1/95/98/NT). Bird Songs International BV, Wierengastraat 42, 9969 PD Westernieland, Netherlands, internet http ... tapes, dominate the stream of ornithological information. Too many birders appear to suffer from

Pale-headed great skuas
DB 20:5 (1998)  ·  pagina 238  ·  Klaus Malling Olsen
underwing. Furthermore, they show the typical irregular pale pattern on upperwing-coverts and mantle ...Brieven Pale-headed great skuas The unusually pale and bleached Great Skua Stercorarius skua ... first-year Great Skuas occur regularly and have confused observers to a large degree, leading ... much more uniform than the bicoloured upperwing of Great Skua. As stressed in Malling Olsen ... worn ‘great skuas’. As South Polar Skuas which reach the Western Palearctic in late summer

Moult of Oriental Great Reed Warbler
DB 18:2 (1996)  ·  pagina 82  ·  Jon R King
R King, Edward Grey Institute, Department of Zoology, South Parks Road, Oxford, OX1 3PS, UK 1 ... adult show​ing fresh remiges should certainly warrant very close examination, atypical moult ...Brieven edited AvL 260396 Moult of Oriental Great Reed Warbler In their recent detail​ed review ... to the specific validity of Oriental Great Reed Warbler A orientalis, a split from Great Reed Warbler .... In their discussion of the distinguish​ing characters of Oriental Great Reed, Shirihai et al (1995) did

Great Knot on Siberian breeding grounds
DB 17:1 (1995)  ·  pagina's 15-16  ·  Pavel S Tomkovich
, Zoological Museum, Moscow State University, Herzena Street 6, 103009 Moscow K-9, Russia FIGURE 1 Breeding distribution of Great Knot Calidris tenuirostris in north-eastern Siberia, Russia. Filled dots ... (Cramp & Simmons 1983). Nevertheless, Great Knot is the species second in number on the Australian ... of north-eastern Siberia, as far south as 61°N (figure 1). It inhabits mountain plateaus and gentle ... with them in the breeding area for several more days and then start drifting southwards, either separately

The birds of Norfolk by Moss Taylor, Michael Seago, Peter Allard & Don Dorling
DB 22:1 (2000)  ·  pagina 27  ·  Mike Crewe
? This latter point brings up the topic of errors in the text. Most purchasers will surely want ...Moss Taylor, Michael Seago, Peter Allard & Don Dorling 1999. The birds of Norfolk. Pica Press, The Banks, Mountfield, Nr Robertsbridge, East Sussex TN32 5JY, UK. 552 pp. ISBN 1-873403-86-0. GBP 35.00 ... channels and, unlike previous, privately published listings, does not contain a random selection ... then go on to cover trends in population dynamics and seasonality of occurrence, these topics being

Speciation in shades of grey: the great grey shrike complex
DB 32:4 (2010)  ·  pagina's 258-264  ·  Jelmer Poelstra
France. This treatment contrasts with more familiar former treatments in which these populations were ... to note the treatment of great grey shrikes in the second English edition of the Collins bird guide ...-standing division between great (blue) and southern (red) grey shrikes. Most progressive treatment would ... mitochondrial DNA (mtDNA) tree (figure 1) shows a deep split between two large clades, representing ... of the previous taxonomic treatments recognizes a monophyletic great grey shrike. Recognizing

test
CDNA Jaarverslagen  ·  16 januari 2049  ·  CDNA
. Determinatie.

1. Uitgangsmateriaal

• Door wie, wanneer en waar ... Ornithologische Unie

  1 Inleiding
  1.1 ... gegevens

  3 Appendices
  3.1 Appendix 1 ... Appendix 3. Nuttige links

  1 INLEIDING ... uitsluit;

• De omstandigheden waaronder de waarneming plaatsvond punten 1 en 2

  Dutch Bird Alerts - Admin team
  Nieuws  ·  16 juli 2022  ·  Wietze Janse
  - Admin team niet stil:

  • Gewaardeerd admin Rutger Wilschut heeft ons team verlaten ...!
  • Verder zijn twee nieuwe admins in ons team begonnen: Tim Schipper en Sven Valkenburg. Wij wensen hen een mooie tijd toe in ons team, en weten nu al zeker dat zij een toegevoegde waarde zullen ...

    Op dit moment verkeren we als Dutch Bird Alerts - Admin team in rustige tijden. Het nieuws wordt gedomineerd door Slangenarenden, Zwarte Ibissen en Eglazine

    Subspecific identification and status of Cattle Egret
    DB 33:5 (2011)  ·  pagina's 294-303  ·  Ross Ahmed
    . Cramp, S & Simmons, K E L (editors) 1977. The birds of the Western Palearctic 1. Oxford ..., 94=22.55, p<0.001 Figure 1 Breeding distribution of Cattle Egret subspecies based on Cramp ... gull-grey legs; it was found that Eastern Cattle Egret B i coromandus does not show this coloration ... north to southern China, as well as Japan and northern and north-eastern Australia (figure 1). Cattle ... to northern Europe (figure 1). In Spain, the species has historically nested in Andalucia

    Presumed hybrid Eurasian Teal x Garganey in Valencia, Spain, in January-February 2014
    DB 37:3 (2015)  ·  pagina's 164-169  ·  Jörn Lehmhus, José Ignacio Dies & Hein van Grouw
    to Eurasian Teal. Short crest at rear of head, similar to Eurasian but slightly shorter. HeaD  Forehead ...). Cinnamon Teal A cyanoptera hybrids with Eurasian or Green-winged Teal (figure 1) could be excluded fairly .... FIGURE 1 Hybrid Cinnamon Teal x Eurasian Teal / hybride Kaneeltaling x Wintertaling Anas ... coloration, divided by downward creamy-white stripe over cheek (plate 268-272). Whole rear part ... becoming paler from shaft to side into wider pale area (plate 270). Lower scapulars forming creamy

    Breeding of Cream-coloured Courser in Cape Verde Islands
    DB 22:1 (2000)  ·  pagina's 18-20  ·  Manfred Koch & Cornelis J Hazevoet
    Breeding of Cream-coloured Courser in Cape Verde Islands In the Cape Verde Islands, Cream-coloured ..., on 1 November 1998. Rains had apparently fallen not long before as there was sparse but green .... In view of these and earlier breeding data, it appears that Cream-coloured Courser comes ... and desert-like eastern islands. The breeding season of Cream-coloured Courser in the Cape Verde Islands ..., 1920 de l’archipel du Cap-Vert. Cyanopica 3: 5-15. Manfred Koch, Glücksburger Strasse 1, 24986

    October 10 - 15: Colombia (1)
    Arjan's Biggest Year  ·  20 oktober 2016  ·  Remco Hofland
    -bearded Helmetcrest and Bronze-tailed Thornbill. The former is a great-looking creature with a long crest ... - and enjoy it. Now, Arjan does. But that, obviously, is not the only reason he is well on his way ... Euphonia, Spectacled Parrotlet, Apical Flycatcher, Ruddy-breasted Seedeater and Summer Tanager ... to break the world birding record. We exchanged news and listened to his stories about northern Ecuador ..., before bagging the rail with great footage to boot. We continued towards Chingaza NP where

    September 22 - October 1: Ecuador (1)
    Arjan's Biggest Year  ·  4 oktober 2016  ·  Arjan Dwarshuis
    through a swamp with fallen logs. I knew that after so much hardship a great prize was surely ... rainforest tree I’ve ever seen. The view over the forest canopy is absolutely breath-taking and especially ... personal top 10 this trip:1.       Long-wattled Umbrellabird2 ... birding downhill from the treeline to about 2500 meters we saw some great birds like Golden-crowned ... activity was still booming. While having breakfast near a small stream along the roadside we saw already

    Atypical Common Gulls
    DB 7:3 (1985)  ·  pagina 106  ·  Pierre Yésou

    Vrouwtje Spaanse Mus bij IJmuiden in mei 2010
    DB 34:3 (2012)  ·  pagina's 160-167  ·  Roy Slaterus
    waardoor kruin vrij puntig ogend en verenkleed opvallend ‘clean’ door bleke grondkleur van zowel boven ... vaak groezelig. De vogel van IJmuiden oogde ‘clean’, mede door de lichte kleur van de onderdelen. De ... Sparrows P domesticus. Other distinctive features were 1 heavy bill; 2 very pale tramlines on mantle ..., Nederland (roy.slaterus@dutchbirding.nl) FIGURE 1 Spaanse Mus / Spanish Sparrow Passer ... onderstaartdekveren / Note white belly and strongly patterned undertail-coverts. 1

    Steppeplevier: een herinnering
    Nieuws  ·  6 september 2020  ·  Wietze Janse, DB Alerts Admin Team & webredactie
    Lijster en ga zo maar door.

    Hier liep het anders: de vogel zat ver weg in een door de hitte ... plaatse waren we Bram Rijksen tegengekomen. Bram maakt vaak mooie pentekeningen van zijn waarnemingen; we ... polsten Bram voorzichtig of hij een mooie tekening kon maken. En gelukkig, dat wilde hij wel. Hij moest nog wel eerst even zijn vakantie afmaken, maar toen verscheen daar een leuke en mooie

    Oiseaux du Maroc / Birds of Morocco
    Recensies  ·  2 mei 2022  ·  Diedert Koppenol
    impression of the area. Understanding these areas shows you that Morocco is a great playground ... ornithologists at work in WS who will create a separate book, thus inclusion here at least gives the area ..., Muséum National d’Histoire Naturelle, Paris, France. ISBN 2-916802-06-1. Paperback, 648 pp. Price ... down south with ‘The North Atlantic’ area containing species like Marsh Owl and Double-spurred ... in the current status of Morocco and its birds or have an overall interest in the WP-area, for example, read

    Great Black-headed Gull in Tunisia in February 1994
    DB 17:1 (1995)  ·  pagina's 17-18  ·  Guido O Keijl, Tom M van der Have & Paul S Ruiters
    . The birds of Tunisia. Copenhagen. Guido O Keijl, Stephensonstraat 15-1, 1097 BA Amsterdam, Nederland Tom ... 1985 (Eduard Sangster) 1 ... the other gulls, we could identify it as an (immature) Great Black-headed Gull L ichthyaetus because of, eg, the size, the typical head shape, the colour of the upperparts and the colour of the eyes, bill ...Edited AvL 080195 Great Black-headed Gull in Tunisia in February 1994 In February 1994, Tom van

    \'Black-eared wheatear\' at Aagtekerke, the Netherlands, in June 1996
    DB 25:2 (2003)  ·  pagina's 98-99  ·  Magnus Ullman
    is typical for melanoleuca. The throat-bib is too large for Western Black-eared Wheatear O hispanica, while the ochre of the breast reaching the throat-bib is more typical for melanoleuca. Moreover ... it becomes adult. The fact that the breast is thoroughly warm ochre all the way up to the throat-bib ... a larger throat-bib than the Aagtekerke bird, the blackish ‘stains’ below the rear end of the ear ... 1999, 2001. Zeldzame vogels van Nederland – Rare birds of the Netherlands. Avifauna van Nederland 1

    Great Spotted Woodpeckers in the Netherlands showing characters of North African Great Spotted Woodpecker
    DB 30:3 (2008)  ·  pagina's 158-159  ·  Enno B Ebels
    the throat and breast of woodpeckers are very liable to staining by substrate or fluids from tree bark ..., 20 February 2000 (Arno ten Hoeve). Note red breast-band. 1 ... to the populations of northern Europe’. Cramp (1989) does not mention the possible presence of red ... on the breast-sides. It had a gentle expression compared with a normally coloured female Great Spotted observed ... the pale parts of the throat, unlike the plate in Cramp (1989). In the field, the impression

    De eerste dagen van team "Atlantic"
    Atlantic vs. Pacific: twee Odysseys, één blog  ·  25 maart 2011
    is dit nog mogelijk alleen vliegen wij een dag later. Enig voordeel voor ons is dat wij daardoor een hele dag in Costenera Sur door kunnen brengen en de rest van de groep direct naar Ushuaia.De volgende ochtend maken we een wandeling vanuit ons hotel, wat geregeld werd door Aerolineas Argentinas, door de ... dag in Costenera Sur. Na in te hebben gecheckt in het hotel lopen Rinse en ik direct door naar het ... we al voor ons beide vele nieuwe soorten als Rufous Hornero, Rufous-Bellied Trush, Eared Dove

    August 3 - 11: Argentina (1)
    Arjan's Biggest Year  ·  13 augustus 2016  ·  Arjan Dwarshuis
    fragmented range. Threats include habitat loss, nest parasitism by Shiny Cowbirds, chick predation ... most wanted chaco specialty.It was sad to see that most large trees had disappeared from this area ... returned from five gruesome days in the field. He had some exciting news. He and his team had caught ... first.Two fantastic large woodpeckers make their home in the chaco, the Cream-backed- and the Black ... managed to see Cream-backed. After a quick breakfast we went into the forest in search of chaco

    Dag 1 op de Drake Passage
    Atlantic vs. Pacific: twee Odysseys, één blog  ·  30 maart 2011
    stromingen tussen de Atlantische en Pacifische Oceaan worden door deze doorgang gestuwd en vormt daardoor ... persoonlijk zou het de ultieme test moeten worden of ik last zou krijgen van zeeziekte. Ik had al meerdere ... kan zijn dat door de matige wind de zeevogels op zee blijven zitten omdat soorten als Royal- en Wandering Albatross door hun formaat wind nodig hebben om efficient te kunnen vliegen.Wenkbrauwalbatros ... vliegen maar al gauw diende de eerste Wenkbrauwalbatros zich aan, even later gevolgd door de eerste

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