The Greenish Warbler – or Grünlaubsänger in german – could be observed in the little town of Hilchenbach (427 asl) in the Siegerland on the edge of the state of North-Rhine Westfalia. The Greenish Warbler has established as a breeding bird in South Finland and at the coast of the eastern Baltic sea quite recently.… Continue reading A Greenish Warbler in the middle of Germany