15-12-2011The past 20 years has seen a perilous decline of an already tiny English hen harrier Circus cyaneus population, to…
15-12-2011Numbers and distribution of Northern Lapwings breeding in Switzerland have undergone strong fluctuations over the last 150 years. In the…
15-12-2011For almost 60 years the Baden-Württemberg forestry administration has been documenting the results of its nestbox monitoring scheme. The number…
15-12-2011Eine Untersuchung eines erheblichen Teils der in Europa heimischen Fauna und Flora im Rahmen der Europäischen Rote Liste, die Teil…
15-12-2011Einen „dramatischen Rückgang der Wasservögel“ haben Ornithologen in einer über 40 Jahre dauernden, großflächigen Untersuchung von rund 310 Seen und…
13-12-2011Almost three-quarters of UK butterfly species have decreased in population during the last decade, a major scientific report reveals today…
13-12-2011The British public has helped scientists uncover what looks like a substantial decline in one of the UK's most common…
07-12-2011Turtle Doves (Streptopelia turtur) are now the UK’s most threatened farmland bird, according to official figures. Turtle Dove populations fell…
06-12-2011De kuifmees Parus cristatus is een talrijke broedvogel die voornamelijk in naaldbossen broedt, soms ook in groepen naaldbomen, die tussen…
06-12-2011De sijs Carduelis spinus is in Nederland vooral een wintergast, maar tegenwoordig broedt hij ook in ons land. In de…
