Tundra swans
● Few natural predators – brown bears, foxes
Reproduction
● Mate in the late springs
● Pair monogamously until one partner dies
● Nesting season starts at the end of the May
● The pair build the large mound-shaped nest
from plant material at an elevant site near open
water
Conservation status
● Most common swan species of North America
● Tundra swan numbers are stable over most of
its range, but they are increasingly depent on
agricultural crops to supplement teir winter diet
● The tundra swan is not considered threatened
by the IUCN due to its large range and
population
● Bewick's swan is one of the birds to which the
Agreement on the Conservation of African-
Eurasian Migratory Waterbirds (AEWA) applies.
Mating system
● Breed from late May through late June
● Nests – composed of moss, dead leaves,
grasses; built in late May (diameter 122 to 183
cm)
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