A flock of starlings fly near Beit She'an in northern Israel on Feb. 3, 2019. During January and February, thousands of starlings gather in huge clouds above fields and woodlands here. (Xinhua/Gil Cohen Magen)

A flock of starlings fly near Beit She'an in northern Israel on Feb. 3, 2019. During January and February, thousands of starlings gather in huge clouds above fields and woodlands here. (Xinhua/Gil Cohen Magen)