10,000 Birds

APRIL 2, 2015

This time it is not in Serbia, but in Zurich, Switzerland, where this particular Serbian pigeon fancier / blogger lives. Take the Saker for example: with 52 to 64 breeding pairs ten years ago, Serbia held 13 per cent of the European population of this Globally Threatened species ( source ). v=8kKoL3sdbaQ.

Switzerland 188

Switzerland Serbia Feral Falcons 188

10,000 Birds

MARCH 30, 2015

In all, the duo compared DNA from 77 redpolls, including specimens from museums around the world, from the Museum of Vertebrates at Cornell University to the Natural History Museum of Geneva in Switzerland. They found no DNA variation that distinguishes Hoary Redpolls from Common Redpolls.

Species 207

Species Switzerland Groups Europe 207

10,000 Birds

MAY 10, 2015

The Italian Sparrow is not entirely confined to Italy but – not surprisingly – also occurs in neighbouring areas of Austria and Switzerland. These subspecies can be divided into two major clades, the domesticus group and the indicus group, with the indicus group occupying south and parts of central Asia.

Sparrows 208

Sparrows Italy Asia Austria 208

10,000 Birds

MARCH 3, 2020

The source of this ranking, BirdLife International, lists Bolivia as currently having 1,439 bird species, including 18 breeding endemics. But, the numbers are quite large, and the birds organized in groupings that, for the most part, make it an easy process to figure out which Antwren (or Woodcreeper or Seedeater) is which.

Bolivia 167

Bolivia Birds Brazil Switzerland 167