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Mute Swan Identification

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The Four Keys to ID

  • Size & Shape

    Mute Swans are very large waterfowl. They have heavy bodies, short legs, and a long, slender neck habitually held in a graceful S. The large, flat bill has a bulging knob at the base.

    Relative Size

    Among the largest of waterfowl: more than double the size of a Snow Goose and about the same size as a Trumpeter Swan.

    Relative Sizegoose or largergoose-sized or larger

    • Both Sexes
      • Length: 50.0-59.8 in (127-152 cm)
      • Weight: 194.0-504.4 oz (5500-14300 g)
      • Wingspan: 81.9-93.7 in (208-238 cm)