Donkel Bliedervillercher
Phylloscopus fuscatus
Dunkellaubsänger
pouillot brun
dusky warbler
felosa-sombria
wéi laang bréien d' Donkel Bliedervillercher 1 ? 1
https://lod.lu/uploads/examples/OGG/09/090dd3cf664a23d8470a1781c311b9ed.ogg
https://lod.lu/uploads/examples/AAC/09/090dd3cf664a23d8470a1781c311b9ed.m4a