POTENTIAL thieves were heard 'making bird noises' to communicate with each other.

A thief used a long silver tool to try and break into a Ford Transit van in Farriers Way, Great Notley.

He was disturbed and ran from the scene, making bird noises.

The victim said others had been replying to these calls with similar bird noises, believing that was the way they were communicating.

It happened just after midnight on May 28.

Call police on 101 with information.