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