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Friday, September 17th, 2021
avinews
Birds
How to document a sighting?
posted by Bernard Volet
 
Tuesday, September 7th, 2021
technews
Query by troop size
posted by Sämi Wechsler
 
Tuesday, August 17th, 2021
tipnews
Birds
Which species should you count?

The autumn migration 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, July 21st, 2021
avinews
Birds
Communication of the Swiss Rarities Committee
posted by Bernard Volet
 
Friday, July 16th, 2021
tipnews
Birds
Atlas code in summer
posted by Bernard Volet
 
Friday, June 18th, 2021
tipnews
Birds
Sightings from mountainous regions
posted by Bernard Volet
 
Wednesday, May 19th, 2021
tipnews
Birds
Ducks families
posted by Bernard Volet
 
Friday, May 7th, 2021
avinews
Precise sightings localization
posted by Bernard Volet
 
Wednesday, May 5th, 2021
avinews
Birds
Communication of the Swiss Rarities Committee
posted by Bernard Volet
 
Saturday, April 3rd, 2021
tipnews
Birds
Disturbance during the breeding period and pictures taken at nests
posted by Bernard Volet
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