Small grebe with rich chestnut neck and fluffy appearance. The basic call is a rapid trill which rises in pitch and volume before trailing off:
All in Podicepediformes
GREAT CRESTED GREBE (Podiceps cristatus) - Grèbe huppé
A common bird on all lowland water bodies across the north of Switzerland. Its most frequently heard call is a goose-like “honk”, listen this and other calls here.