Red ring with a white four alpha-numeric code, starting letter 'Y'.
note 1 : a large project ongoing since 2006 throughout Yorkshire, Derbyshire and Cleveland, working in conjunction with the Sorby Breck Ringing Group.
note 2 : more info. also on Yorkshire Swal Hospital Rescue : http://www.ysrh.org.uk/
note 3 : darvic rings added to left tarus and metal 'M' rings added to right tarus.
note 4 : more than 3,000 adult birds and pulli rung since the commence of project, including colour marking a number of rehabilitated Mute Swans.