A bird mimicking the sound of a police siren confused officers with its convincing impression.Police officers at Thames Valley Police spotted the bird making the noises outside the Roads Policing base in Bicester, Oxfordshire.The team filmed the moment the bird started tweeting before replicating the sound of a police siren.

A bird mimicking the sound of a police siren confused officers with its convincing impression.Police officers at Thames Valley Police spotted the bird making the noises outside the Roads Policing base in Bicester, Oxfordshire.The team filmed the moment the bird started tweeting before replicating the sound of a police siren.