10,000 Birds

MARCH 30, 2015

(That impressive number is a testament to the exponential advances in DNA-sequencing technology, but the researchers are quick to note it’s still less than 1% of the total genome.). Furthermore, another redpoll species found in Europe—the Lesser Redpoll—also had extremely similar DNA sequences.

Species 212

Species Switzerland Groups Europe 212

10,000 Birds

MAY 10, 2015

The genus Passer has several well-recognized and recognizable species in Europe, and still holds several enigmas. The Italian Sparrow is not entirely confined to Italy but – not surprisingly – also occurs in neighbouring areas of Austria and Switzerland.

Sparrows 215

Sparrows Italy Asia Austria 215

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