Turning the housing crisis of Rights to birds because of the high temperature of the earth caused by the greenhouse effect. The pay high temperature migratory birds to date trip migration from Africa to Europe from 15 to 20 days to find these birds in Europe and the arrival of all trees occasion of the founding of marital nesting birds busy with local European mating season and laying the eggs. A Claude Vegnih Professor of birds crossing Thich region Arkachun French on the housing crisis has become a chronic problem for more than 263 species of migratory birds, which find all the nests left with the arrival of winter has been filled with local birds and eggs and chicks of fierce battles erupted between the two sides always ends the occupation of the strongest back to the death of the weaker or fleeing in search of shelter elsewhere. He said Professor Claude Vegnih nests crisis that threatens many kinds of birds in danger of extinction refrain certain types of migratory birds from mating because of the failure to find adequate housing because of the nests being flooded local birds in the mating. Professor Vegnih estimated number of threatened bird species because of the early migratory birds come to Europe with the approaching summer season by about 15 species in the number of endangered migratory birds retreat prepared by the housing crisis on trees more than 150 species .. Source: http://www.yasater.com/news.php?newsid=7559
