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Home > Knopsvane (Mute Swan)

'Polish swan'. Knopsvane (Mute Swan, Cygnus olor)

Here four typical grey downy feathered cygnets and one white feathered: The latter is often called a "Polish swan", and it's caused by a recessive gene (like blue eyes or blond hair) so if both parents carry it then on average one in every four offspring will have two of them and will therefore be white from birth.
Gedser Sønder Boulvard 16/08 2015
Copyright © Louis A. Hansen

Fjeldvage-Gedser-Odde_Edit.jpg Woodpecker_greater2.jpg IMGX4349_SideView.jpg 185H0197_FamSwan.jpg IMG_7131_Ligustersvaermer.jpg IMGX3354_Chifchaf_sideView.jpg IMG_8307_Storke.jpg
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