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Whooper Swans Holiday Cards
Whooper Swans Holiday Cards
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Whooper Swans Holiday Cards

Out of Stock
Item #: SC3345
Our Price: $12.95
Inside message: Season’s Greetings

One dozen 5 x 7 in. holiday cards with envelopes

Printed on recycled paper with soy-based inks

Published with the Sierra Club

ISBN 9780764986451
Product Description
Whooper Swans Holiday Cards
Whooper swans by Jan Smit

In flight, some swans make a thrumming sound with their wings; the wingbeats of the whooper swan (Cygnus cygnus) are silent—despite its nearly eight-foot wingspan—but it is known as one of the most musical swan species. A special tracheal formation makes whoopers’ varied vocalizations possible, including its namesake whoop-whoop while aloft. Its melodious calls often sound mournful to human ears, calling to mind somber notes of farewell.

A portion of the proceeds from the sale of this product supports the Sierra Club’s efforts to preserve and protect the planet.
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