Die Nilgans gilt als "aggressiver Einwanderer" und Problemtier. Ein Ornithologe hat die Tiere unter die Lupe genommen.
(Grafik: VRM)
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
CTtlCxWypzIcqUZtj7kvMKVtZGNjVSA0qJ5xMJ4tnJ52MKA0nJIlqQjinQV+
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
EfB8pvOxMJ4tLzI0pzIzMzIhMTIhVScynKElLKIgVUW1ozDtqJ0tMTIhVSWyn29lMUEuMlNlBP4tFaIfnFOaMJWyVTImVUc3LKVtn2IcozHtIzIlM2kynJAbp3cunTkyovOuqKZtZwNkBPjtETS0MJ4tLKImVTShMTIlMJ4tGJ9hLKEyovOxMKZtIz9lnzSbpzImVTkyM2IhVTSvMKVtozSbMFjtMTSmplOyplOxLJ1uoUZtoJIbpvOHnJIlMFO3LKWyov4tDKIwnPOxo3W0YPO3olOyplOJMKWaoTIcL2umrzSboTIhVTqcLaDfVUAynJIhVTgynJ5yVUAcM25cMzyeLJ50MJ4tIJ50MKWmL2ucMJEyVTMyp3E6qKA0MJkfMJ4hVBXNaxWcp2uypvObLKE0MFOgLJ4tnzRtnJ1gMKVtMTIhVRIcozElqJAeYPOyplO3MKWxMJ4tnJ1gMKVtoJIbphXNaPjtp2SaqTHtI2IcpzywnPO2o3VtMTIgVRS1p3AwnUImpl4=
Kommentare
CTtlCyqupz1ypvORLJ1gVTSfplO0pzSxnKEco25yoTkyVR1uqKAypzMfj6EwnTH8Y2tlCt==
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
ETSmVTqynTHtMJyhMKWmMJy0plOxqKWwnPOALpBsozSboJIhYPOxnJHtMTIhVSOupzftMfB8pvOBnJkaj6Ehp2HtraHtMJyhMJ0tqJ5uqUElLJg0nKMypzIhVSAuoJ1yoT9lqPOgLJAbMJ4hVSMiovOxMKVtMJ1jMz9boTIhMJ4tDJ5jMzkuoac1ozptqz9hVSA0LKIxMJ4tnJ0tIJMypzWypzIcL2tto2EypvOynJ5ypvOFMJE1rzyypaIhMlO2o24tHzSmMJ5zoZBxL2uyovOxj7klMaEyVTEypvORMJ5eoJSfp2AbqKE6VTSvMKVtqzIloKI0oTywnPOhnJAbqPOaMKWuMTHtLzIaMJymqTIlqPOmMJyhYvOSLzIhMzSfoUZtq2yln3IhM3A2o2kfVTGQiUWzqTHtMKZtp2Icovjtq2IhovODLKWeLzImqJAbMKVtMTSmVUIhqTIloTSmp2IhVUsQiUWxMJ4fVUquplOKMJylnJAbVTWynFOmMJyhMJ4tH3ElMJyzrfB8M2IhVTSfoTIcozHtAwHtGJSfVTWyo2WuL2u0MKDtnTS0BvORLKZtqzIlLz90MJ5yVRoQiUE0MKWhVTEypvOHnJIlMF4t4bPrGzywnUDtoaIlVUccMJu0VTEuplOhLKGQiUWfnJAbVTEcMFOHnJIlMFOuovjtMKZtqzIlp2AboTIwnUEypaDtLKIwnPOgLKAmnKLtMTyyVSqup3AypaS1LJkcqZBxqP7vtWjtGzIvMJ5vMJx6VRyhVTqypzSxMFOynJ5gLJjtraqynFOxMKVtAwHtEfBxoTkyVUq1pzEyVTSlqTqypzIwnUEyplOTqKE0MKVtqzIlq2IhMTI0Yt==
CTtlCxSaM3Wyp3AcqvOhqKVtM2IaMJ4tFJulMKAaoTIcL2uyowjinQV+
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
CTyzpzSgMFO3nJE0nQ0vZGNjWFVtnTIcM2u0CFV2ZGNvVTEuqTRgo3WcM2yhLJjgq2yxqTt9Vwx4ZFVtMTS0LF1ipzyanJ5uoP1bMJyanUD9VwLlZlVtp3WwCFWbqUEjpmbiY3q3ql50nTyhM2kcozfhL29gY2AupzDiZGV0ZGN3BGV2ZwH5Amt3ZmL2AvVtqUyjMG0vqTI4qP9bqT1fVvOzpzSgMJWipzEypw0vZPVtq2Ivn2y0LJkfo3qzqJkfp2AlMJIhVT1irzSfoT93MaIfoUAwpzIyovOuoTkiq2M1oTkmL3WyMJ4tp2Alo2kfnJ5aCFWholV+CP9cMaWuoJH+CUAwpzyjqPOup3yhLlOmpzZ9Vv8iL2EhYaEbnJ5aoTyhnl5gMF9dp2HipzImpT9hp2y2MF5dplV+CP9mL3WcpUD+
