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Diet

Herbivorous , feeding principally on aquatic plants.

Lifespan

Up to 12 years in the wild and 35 years in captivity.

Canadian status

Not at risk

Reproduction

Pairs for life at 4 years. Mating and egg laying occur between April and early June. The 5-6 eggs are incubated by the female for 33-37 days. The young fledge after 100-120 days.

Predators

Eggs and/or young may be taken by large birds of prey, coyote and mink.