migration

Pelicans rest as the sun sets behind a water reservoir in the Emek Hefer valley north of the Israeli city of Tel Aviv. Thousands of migrant Pelicans pass though Israel on their way to Africa, and go back to Europe when summer. They take advantage of the safety of this artificial water source where they are fed by by local farmers with hundreds of kilogram of fish in a bid to prevent them from eating their other fish intend for sale.

Menahem Kahana/AFP

Pelicans rest as the sun sets behind a water reservoir in Emek Hefer, north of the Israeli city of Tel Aviv. Thousands of migrant Pelicans pass though Israel on their way to Africa, and go back to Europe in summer

Wild Geese fly over a farm field in Xanten, Germany, Wednesday, Oct. 16, 2013. The wild geese flew over from Siberia to stay over winter time in the lower Rhine area with it's warmer continental climate. The geese find perfect conditions and are not allowed being hunted. (AP Photo/Frank Augstein)

Frank Augstein/AP

Wild geese fly over a farm field in Xanten, Germany. The geese migrated from Siberia to stay in the lower Rhine area over winter.