Teil C - Annex 
55 
Table 2: Association codes for identification of wind farm associated birds in the off 
shore region. 
Code 
Baustelle 
200 
Flying between foundations 
201 
Swimming between foundations 
202 
Associated with foundation (no tower) (sitting alongside/flying around it, foraging) 
203 
Sitting on foundation (no tower) 
Finished or partly finished offshore wind farm 
210 
Flying between wind turbines 
211 
Swimming between wind turbines 
212 
Associated with wind turbine (sitting directly alongside/flying around it, foraging) 
213 
Sitting on wind turbine base 
214 
Sitting on wind turbine nacelle 
215 
Colliding with wind turbine 
216 
Flight transit through rotor area (standing rotor) 
217 
Flight transit through rotor area (rotating rotor) 
218 
Disturbance by turbulences (wind wake) 
Transformer station 
220 
Associated with transformer station (sitting alongside/flying around it, foraging) 
221 
Sitting on transformer station 
Outside offshore wind farm 
230 
Flying in direction of offshore wind farm 
231 
Flying very close past the offshore wind farm (distance up to ca 500 m) 
Avoidance reactions 
240 
Horizontal swerving 
241 
Vertical swerving 
242 
Horizontal and vertical swerving (mainly for bird migration) 
243 
Flock disintegrating (mainly for bird migration) 
244 
Flying back (if a flock clearly/more or less clearly flew towards the wind farm and then back 
again) (mainly bird migration) 
General 
250 
No recognisable reaction associated with the wind farm