Cygnus paloregonus

Cygnus paloregonus

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Cygnus paloregonus

Cygnus paloregonus is a fossil swan. It is an ancestor of, and distantly allied to, the mute swan. It is known from the Pleistocene from Fossil Lake, Oregon, Froman's Ferry, Idaho, and from Arizona. It is referred to by Hildegarde Howard in Delacour's The Waterfowl of the World as "probably the mute type swan".

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Geography

References

1. Cygnus paloregonus Wikipedia article - https://en.wikipedia.org/wiki/Cygnus_paloregonus

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