Recoveries Northern Hawk-Owl  Surnia ulula (1) Ringing place: All places Recovery place: All foreign Winter (December - February) Oldest bird: - 1798 Days = 4Years-11Months-3Days (NOS 3043923) - 1790 Days = 4Years-10Months-24Days (NOS 347328) - 1467 Days = 4Years-0Months-6Days (NOS 363703) - 1214 Days = 3Years-3Months-26Days (NOS 368036) - 918 Days = 2Years-6Months-5Days (SFH H115116) Longest distance: - 1875 km (NOA 300566) - 1390 km (SFH HH1858) - 1249 km (SFH H132310) - 1205 km (SFH HH1121) - 1068 km (SFH HH2100)