Life Cycle
Mute swans mate in the early spring. Male and female pairs may mate for many years. The female lays 5-6 eggs in a cup-shaped depression lined with down on a large mound
of vegetation.
The female and the male incubate the eggs for
36 to 38 days.
The female spends more time on the eggs than the male. The male guards the nest. The chicks, or
cygnets, are a downy
brownish-gray. The male sometimes leads newly hatched cygnets down to the water while the female incubates the remaining eggs. The cygnets can swim and feed themselves shortly after hatching. Sometimes the cygnets ride on their mother's back. The cygnets fledge when the are 60 days old, but may remain with their parents until the next breeding season.
Behavior
The mute swan isn't really mute; it does make a soft snorting call and it hisses loudly when it is threatened.
Male swans are very territorial and chase intruders away. They arch their wings over their backs and charge at the intruder. Mute swans take off from the water by running very fast and flapping their wings until they build up enough speed to take off.
The mute swan can fly at speed of up to 50 miles per hour. In North America, it does not
migrate, but it may move short distances from frozen water to open water in the winter. When the mute swan swims, it
curves its neck into an S-shape and points its bill down. Other swan species, like the
tundra swan, hold their necks up straight when they swim,
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