Great Crested Grebes (Podiceps cristatus) doing a mating dance, Canton of Vaud, Switzerland, Europe

2 animals adult animals adult animal adult birds adult bird animal behavior animal behaviour animal couples animal couple animals animal aquatic bird aves behavior behaviour birds bird canton of vaud courting seasons courting season courting courtship behaviors courtship behavior courtship behaviour courtship displays courtship display courtships courtship courts court daylight daytime day fauna female animals female animal female great crested grebes great crested grebe grebes grebe lucerne luzern male animals male animal male nature nobody outdoors outside podiceps cristatus podicipediformes podicipedidae side views side view sideview switzerland two animals vaud water birds water bird waterfowl water reflections water reflection waters wild animals wild animal wildlife wooing woos woo