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Latest news
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Monday, March 30th, 2020
avinews
Birds
Communication of the Swiss Rarities Committee
posted by Bernard Volet
 
Friday, March 27th, 2020
tipnews
Birds
posted by Bernard Volet
 
Wednesday, March 25th, 2020
technews
Service interruption: The ornitho platform grows and grows ...
posted by Hans Schmid
 
Tuesday, March 24th, 2020
avinews
Birds
#StayHomeAndWatchOut, a success story!
posted by Hans Schmid
 
Monday, March 23rd, 2020
avinews
Birds
Birdwatching in a state of emergency
posted by Hans Schmid
 
Thursday, March 19th, 2020
avinews
Birds
Confined...but birding!
posted by Hans Schmid
 
Monday, March 16th, 2020
avinews
Birds
A “moulting” magazine
posted by Hans Schmid
 
Friday, March 13th, 2020
avinews
Birds
Grey Heron: Please count and report colony size now

The breeding period of grey herons is already in full swing. It is now and especially during April (but still before the leaves shoot!) the best time to find colonies and count the number of occupied nests.

The Swiss Ornithological Institute uses observations reported via ornitho.ch to document the development of the grey heron (see index). We are grateful if you try to count the number of occupied nests in known colonies and report this through ornitho.ch. We are also dependent on you to detect any new colonies: Grey herons flying into the edge of a forest can be a promising indication. In order make your data most valuable to science, please report colonies as accurately as possible (precise location) and fill in the number of occupied nests in the colony tool.

Thank you very much for your collaboration!

Swiss Ornithological Institute

posted by Bernard Volet
 
Saturday, February 1st, 2020
avinews
Birds
Advance notice: Black-headed gulls roosts census for next winter
posted by Hans Schmid
 
Monday, January 27th, 2020
tipnews
Birds
Terra incognita 2020
posted by Sämi Wechsler
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