AOL.com Video - Flock of Starlings, a Rare Sight For Israeli Eyes

VIDEO:News

Flock of Starlings, a Rare Sight For Israeli Eyes

Description:It's been 20 years since migrant starlings have been spotted soaring through Israel's skies. And onlookers who watched the mysterious creatures form dark-clouded shapes enjoyed the rare sighting. The behavior is called murmuration and Tel Aviv University professor Yossi Leshem says there's two reasons why the species stick together. (1:14)

Source: Reuters

Tags: reuters , israeli , yossi leshem