Welleleefer
Oceanodroma leucorhoa
Wellenläufer
océanite cul-blanc
Leach's storm petrel
painho-de-cauda-forcada
wéi laang bréien d' Welleleefer 1 ? 1
https://lod.lu/uploads/examples/OGG/68/68b220300494d3e49522084c1d9c3e05.ogg
https://lod.lu/uploads/examples/AAC/68/68b220300494d3e49522084c1d9c3e05.m4a