Migrating Birds Know No Boundaries

		TRACKING BY  RADAR
		Ben Gurion Airport radar is used during the migrating periods; it has been found most effective in locating even single birds. (Photo: Haim Alafia)

TRACKING BY  DRONE
For the first time ever, biological research was carried out with the help of unmanned aerial vehicles (drones) produced by the Israel Aircraft Industries. The pursuit was controlled from a monitoring vehicle on land. (Photos: Israel Aircraft Industries)

		TRACKING BY  GLIDER
		The motorized glider tracked soaring birds; as it approached, the engine was shut off, and it glided with them wing to wing. (Photo: J. Young)

TRACKING BY  TRANSMITTER
This White Stork, caught in the Beit She'an Valley in northern Israel, had a small transmitted attached to it, with signals going to a satellite. The satellite tracked its migration across geographic borders. (Photo: Benaya Bin-Nun)