*+*+*+* The bird, a rare animal *+*+* The populations of the 36 most common bird species are declining rapidly *+*+* The spring falls silent *+*+* The causes are agricultural poisons, insect deaths (up to 90 % in some species), destruction of nature, wind turbines (in approx. 26.000 existing wind turbines in Germany will be over 12.000 buzzards killed each year), climate change. . . *+*+*+*