Flossschwirrelen
Flossschwirrele
Locustella fluviatilis
Schlagschwirl
locustelle fluviatile
river warbler
felosa-fluvial
wéi laang bréien d' Flossschwirrelen 1 ? 1
https://lod.lu/uploads/examples/OGG/36/369c8c84184fd4f7c9ae7bb948ac6107.ogg
https://lod.lu/uploads/examples/AAC/36/369c8c84184fd4f7c9ae7bb948ac6107.m4a