From observing the migration of eleven soaring bird species over the Strait of Gibraltar, species which did not advance their autumn migration dates were those with declining breeding populations in Europe
पुरातत्ववेत्त्यांच्या उत्तर प्रदेशातील विविध उत्खननांतून जे नागरी जीवनाचे पुरावे मिळतात ते इसपू २००० च्या पलीकडे जात नाहित.