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Tuesday, December 1st, 2020
avinews
Birds
Communication of the Swiss Rarities Committee
 
The Swiss Rarities Committee (SRC) has published the minutes of its last meeting, held on 11 November 2020, on the SRC website (www.vogelwarte.ch/src). Among the reports accepted during that meeting are the 1st record of Brown Shrike, the 1st and 2nd record of Black-tailed Godwit with characters of the subspecies Limosa l. islandica, the 1st record de Purple Swamphen in category C, the 3rd record of Roseate Tern, the 10th record of Audouin's Gull, the 11th record of Pine Bunting, the 14th record of Greater Flamingo since 1900 (cat. A/B) and the 17th record of Lesser Spotted Eagle since 1900.
 
In order to facilitate its administrative work, the SRC recommends to send the rarities reports and photographic proofs as soon as possible and if possible in electronic format (preferably as Word file) to the following address: sak@vogelwarte.ch. The form can be downloaded from the SRC website (o the following address: sak@vogelwarte.ch. The form can be downloaded from the SRC website (www.vogelwarte.ch/src-downloads). In the normal case, the person who discovered the bird is responsible for the sighting documentation.
 
The SRC thanks you for your collaboration and wishes you many interesting winter observations!
posted by Bernard Volet
 
Thursday, November 26th, 2020
avinews
Birds
Lachmöwen-Schlafplatzzählung am 30.1.2021

In Mitteleuropa nehmen die Bestände der Lachmöwe stark ab. Um eine realistische Erhebung der Winterbestände dieser Art in der Schweiz zu erhalten, führen wir am 30.1.2021 eine landesweite Schlafplatzzählung durch. Die letzten Schlafplatzzählungen datieren aus den Jahren 2005 (Genfersee) respektive 1979 (Deutschschweiz). Bei den am Tag erfolgenden Wasservogelzählungen bleibt ein Teil der Lachmöwen unentdeckt, da sich die Art tagsüber oft abseits der Gewässer aufhält. Zum Übernachten hingegen versammeln sich die Lachmöwen teilweise zu Tausenden auf oder an Gewässern. Schlafplatzzählungen sind deswegen erfolgsversprechender für eine Erhebung des Gesamtbestands.

Für folgende Gewässer werden aktuell noch Zähler gesucht (auch Einsteiger in die Ornithologie sind willkommen!):

  • Genfersee
  • Murtensee
  • Neuenburgersee
  • Thunersee
  • Brienzersee
  • Klingnauer Stausee
  • Teile vom Vierwaldstättersee
  • Zugersee
  • Teile vom Zürichsee
  • Sihlsee
  • Walensee
  • Verbano / Lago Maggiore
  • Ceresio / Lago di Lugano
  • verschiedene Kleingewässer

Sind Sie interessiert daran, bei der landesweiten Zählung am Abend des 30.1.2021 mitzumachen? Oder möchten Sie bei der vorgängigen Suche nach Lachmöwen-Schlafplätzen mithelfen? Melden Sie sich bei Nicolas Strebel, nicolas.strebel@vogelwarte.ch, 041 462 97 94.

posted by Bernard Volet
 
Wednesday, November 11th, 2020
tipnews
Birds

posted by Bernard Volet
 
Friday, October 23rd, 2020
avinews
Birds
Bulletin of the Ornithological Information Service from the Swiss Ornithological Institute

Twice a year, the Swiss Ornithological Institute publishes the so-called “ID-Bulletin”. This report summarizes the most interesting bird sightings and developments on the Swiss Avifauna over the last months. The main information source of this report are the sightings posted on ornitho.ch. Additionally, updates of the different monitoring projects of the Swiss Ornithological Institute are presented as well as interesting ring founds. The latest issue can be found here (in French or German).

We wish you an enjoyable reading!

posted by Bernard Volet
 
Monday, October 12th, 2020
atlasnews
Birds
European Breeding Bird Atlas 2 can now be ordered

The EBBA2 atlas book will be published in December 2020 and can be ordered at a pre-publication price of 70 Euro (plus shipping costs) until 30 November 2020. Please order the books directly from the publisher. More information on the book and order form here.

posted by Hans Schmid
 
Friday, September 4th, 2020
tipnews
Birds
How to document a sighting?

Some sightings are marked with a yellow triangle and an exclamation mark. Such a symbol means that the sighting is unexpected and needs to be documented more precisely. It may be related to a rare species, an unusual date or an unusual observation site.

The main goal of documenting a sighting is to produce a detailed description of what you have observed:  Each and every evidence concerning the size, appearance, feathering, calling, song, behaviour, the observation conditions, and diagnostic criteria eliminating similar species are needed. Additional proofs like pictures, drawings, video sequences and sound recordings are most welcome. Such documentation is to be done using the official rarities homologation form, which is then sent to the Swiss Rarities Committee (sak@vogelwarte.ch) with the additional proofs. This expert group assesses whether the sighting is correct and sufficiently documented or not to be taken into account in the scientific literature. Sightings accepted by this committee are additionally marked with a green hook behind the yellow triangle.

If such a bird remains in the same place for many days, it is not necessary to describe each and every observation in detail. Yet it is very important to document the first and the last observation date as well as the different individuals present during that time if more than one individual is present. In the normal case, the person who discovered the bird is responsible for the sighting documentation.

An insufficient documentation is the most frequent reason for a sighting to be rejected by the Swiss Rarities Committee. In almost all such cases the description is too poor or even missing. Sentences such as "I know this species very well", "the song was typical" or "the bird was identical to the one pictured in my identification book" are definitely not part of a description. Insufficiently documented observations are not taken into account at all, in any scientific studies. They are marked with a red exclamation point and remain visible only for the person who submitted it, yet not for the other users of ornitho.ch.

In order to guarantee a long term quality of the data published on ornitho.ch, we need you to document your unusual observations as completely as possible. Keep in mind to send your documentation as soon as possible to the Swiss Rarities Committee. Thanks in advance for your commitment on ornitho.ch!

posted by Bernard Volet
 
Tuesday, August 25th, 2020
tipnews
Birds
Which species should you count?

The autumn is already in full swing. Whether you are going to your favourite excursion area or keeping a lookout at an observation post, don't forget to fill in a complete observation list! But for which species do you need to fill in the most accurate figures possible? You can count all species if you want, but if it is too tedious, please count at least the species in category A (those with a red dot in front of their name). For analyses such as the calculation of the presence index, numbers are essential. For such an analysis, 200 counted Honey Buzzards weigh 200 times more than a simple cross that confirms the presence of the species. If possible, always count species A, or give at least an estimate or a minimum number.

We wish you great migratory bird observations

posted by Bernard Volet
 
Wednesday, August 19th, 2020
tipnews
Birds
The House Sparrow south of Bellinzona

The House Sparrow occurs in Ticino in a hybridisation zone with the Italian Sparrow, which extends from the Gotthard to the Bellinzona area. All individuals south of Bellinzona are Italian Sparrows according to current knowledge and should be reported as such.

Here too, some males may exhibit characteristics of the House Sparrow; in this case the entry "Italian x House Sparrow" may be selected.

If you see a "pure" House Sparrow south of Bellinzona, we would be grateful for photo evidence.

Thank you very much for your cooperation!

http://files.biolovision.net/www.ornitho.ch/userfiles/instructions/40FocusKraehen2e.png

Source: https://www.vogelwarte.ch/atlas

posted by Bernard Volet
 
Sunday, August 16th, 2020
avinews
Birds
Communication of the Swiss Rarities Committee

The Swiss Rarities Committee (SRC) has published the minutes of its last meeting, held on 1 July 2020, on the SRC website (www.vogelwarte.ch/src). Among the reports accepted during that meeting are the 1st record of Oriental turtle-dove, the 8th record of Greenish Warbler, the 10th record of Audouin’s Gull, the 8th record of Terek Sandpiper since 1900 and the 19th record of Lesser Kestrel since 1900.

In order to facilitate its administrative work, the SRC recommends to send the rarities reports and photographic proofs as soon as possible and if possible in electronic format (preferably as Word file) to the following address: sak@vogelwarte.ch. The form can be downloaded from the SRC website (www.vogelwarte.ch/src-downloads). In the normal case, the person who discovered the bird is responsible for the sighting documentation.

The SRC thanks you for your collaboration and wishes you many interesting summer observations!

posted by Bernard Volet
 
Friday, August 14th, 2020
tipnews
Birds
Atlas code in late summer

Depending on the breeding bird species, the atlas code is no longer automatically requested by the system since July 1 or August 1. However, we would be grateful if you would continue to attach it in case of justified breeding indications (Atlas code 7 or more). This applies in particular to duck families with still dependent young.

Thank you very much for your cooperation!

posted by Bernard Volet
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