Recoveries Common Black-headed Gull  Chroicocephalus ridibundus (1) Ringing place: Opland Recovery place: Opland Spring (Marsh - May) Oldest bird: - 9982 Days = 27Years-3Months-29Days (NOS 6113459) - 9750 Days = 26Years-8Months-15Days (NOS 608652) - 9653 Days = 26Years-5Months-10Days (NOS 608652) - 9627 Days = 26Years-4Months-15Days (NOS 608652) - 9383 Days = 25Years-8Months-13Days (NOS 635981) Longest distance: - 5273 km (NOO 18616) - 4146 km (NOS 694050) - 3247 km (NOO 092726) - 3096 km (NOO MB10293) - 3010 km (NOS 6144268)