Birds egg, whooper swan, Cygnus cygnus (Linnaeus, 1758), in clutch of 4, found Reykjaskola, Icleand, 1960

Birds egg, whooper swan, Cygnus cygnus (Linnaeus, 1758), in clutch of 4, found Reykjaskola, Icleand, 1960
Birds egg, whooper swan, Cygnus cygnus (Linnaeus, 1758), in clutch of 4, found Reykjaskola, Icleand, 1960
Birds egg, whooper swan, Cygnus cygnus (Linnaeus, 1758), in clutch of 4, found Reykjaskola, Icleand, 1960