10,000 Birds

DECEMBER 6, 2018

It turned out Raphael Nussbaumer is a keen ornithologist who just completed his PhD in Lausanne (Switzerland). I had roughly 10-20 species for Serbia including species such as Ferruginous Duck , Hazel Grouse , Griffon Vulture and Spoonbill. research papers). ducks), IBA, particularly nice landscape/habitat, or scenery….

Serbia 139

Serbia Switzerland Farming Birds 139

10,000 Birds

MARCH 3, 2020

It can take a bit of research to figure these notes out, especially when they are citing taxonomic differences (Riparian [Blackish] Antbird, for example, is treated differently in three of the four taxonomic systems), but it is tremendously helpful just to know that there is an issue to be researched.

Bolivia 176

Bolivia Birds Brazil Switzerland 176

10,000 Birds

FEBRUARY 5, 2012

We now know a lot more, and the following information is largely based on the excellent work of our local bird data compiler Armin Konrad , who was amongst the first to notice the die-off in the first place and was also instrumental in coordinating the surveys and research that finally led to the identification of the culprit!

Germany 160

Germany Blackbirds 2006 Denmark 160