anchor.diff:  O_WESTERSCHELDE,Westerschelde,Haematopus ostralegus,Eurasian Oystercatcher,1811,L918407,EAHV,,515,F,15716,5744,12088,2018-05-30T16:25:00Z,2026-09-25T16:25:00Z,51.30221459,4.24106859,Doel
   O_WESTERSCHELDE,Westerschelde,Haematopus ostralegus,Eurasian Oystercatcher,1998,L178426,EAVS,,584,F,15878,5745,12089,2019-06-20T15:45:00Z,2027-07-19T06:45:00Z,51.33565671,4.24548,
   ,,Larus argentatus,Herring Gull,1980,H908153,FLOG,Nathalie,867,F,,,,,,,,
  -,,Larus argentatus,Herring Gull,1984,H908157,GAOV,Tony,1060,M,,,,,,,,
   ,,Larus argentatus,Herring Gull,1982,H908155,FAOS,Bo,1072,M,,,,,,,,
   ,,Larus argentatus,Herring Gull,1981,H908154,FDOK,Sheryl,798,F,,,,,,,,
  +,,Larus argentatus,Herring Gull,1984,H908157,GAOV,Tony,1060,M,,,,,,,,
   ,,Larus argentatus,Herring Gull,1983,H908156,FHOS,Maarten,989,M,,,,,,,,
  
positive.code: LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,706,L904812,URAL,Kees,869,M,524,703,468,2013-05-30T00:00:00Z,9999-12-31T00:00:00Z,51.339311,3.17913,ZEEB_APM | Poor tracker functioning after bird removed antenna.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,717,L907450,UMAD,Billie,749,F,525,712,466,2013-06-03T00:00:00Z,9999-12-31T00:00:00Z,51.339311,3.17913,ZEEB_APM
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,715,L907322,UMAT,Harry,978,M,526,719,312,2013-06-04T00:00:00Z,9999-12-31T00:00:00Z,51.339311,3.17913,ZEEB_APM
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,708,L906623,UBAS,Marc,887,M,527,744,456,2013-05-30T00:00:00Z,2013-06-27T00:00:00Z,51.339311,3.17913,ZEEB_APM | Poor tracker functioning after bird removed antenna. Predated by fox.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,716,L907407,USAT,Joke,712,F,528,753,319,2013-06-10T00:00:00Z,2016-06-16T00:00:00Z,51.339311,3.17913,ZEEB_APM | Dead.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,704,L902124,UBAR,Wouter,974,M,529,755,320,2013-05-31T00:00:00Z,9999-12-31T00:00:00Z,51.339311,3.17913,ZEEB_APM | Poor tracker functioning after bird removed antenna.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,719,L909213,UPAK,Chloe,792,F,530,830,451,2013-05-30T00:00:00Z,9999-12-31T00:00:00Z,51.339311,3.17913,ZEEB_APM | Poor tracker functioning after bird removed antenna.
  
negative.code: LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1380,L920599,RUAW,Renee,730,F,15300,5335,11467,2016-05-25T12:00:00Z,2024-07-25T13:38:00Z,51.23292344,2.93118801,OOST_MIJN
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1262,5509703,5F (g),Lara,710,F,15196,5336,11468,2016-05-19T12:00:00Z,2024-05-22T14:45:00Z,51.4493535,3.68931055,VLIS_THER
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1343,L906730,54 (g),Faber,830,M,15285,5337,11469,2016-05-24T12:00:00Z,2024-07-15T11:35:00Z,51.44898701,3.68968072,VLIS_THER
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1345,5465451,CB (o),Fay,696,F,15307,5338,11470,2016-05-31T12:00:00Z,2024-07-26T11:20:00Z,51.43924273,3.70772124,VLIS_EPZ | Tracker reused from L911116.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1268,L911116,EW (z),Roy,832,M,15202,5338,11470,2016-05-20T12:00:00Z,2016-05-30T00:00:00Z,51.43924273,3.70772124,VLIS_EPZ | Tracking stopped. Tracker reused for 5465451.
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1372,L916206,AHOT,Delphine,705,F,15283,5339,11471,2016-06-07T12:00:00Z,2024-07-15T11:14:00Z,51.23292344,2.93118801,OOST_MIJN
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1377,L916205,AHOC,Noel,933,M,15302,5340,11492,2016-06-07T12:00:00Z,2024-07-25T13:40:00Z,51.23292344,2.93118801,OOST_MIJN
  LBBG_ZEEBRUGGE,Zeebrugge,Larus fuscus,Lesser Black-backed Gull,1381,L916203,ALOV,Marijke,800,F,15303,5341,11493,2016-06-02T12:00:00Z,2024-07-25T13:40:00Z,51.23292344,2.93118801,OOST_MIJN
  