Cygnus buccinator

Trumpeter Swan:

IUCN Listing: Least concern - increasing population

Winter Habitat: Near lakes, streams and rivers further south than their breeding range. 

Food: Leaves and stems of aquatic plants and some aquatic invertebrates

Foraging Technique: Dabbling

Breeding Habitat: Near freshwater ponds, marshes and lakes

Nesting Preference: Will use old mammal mounds in order to place their nests in deep open cups. Uses vegetation to surround it and will nest in close elevation with water. 

Average Clutch Size: 1-9 eggs

First age of Breeding:  2 years and create a pair for life. However, they do not mate until 3 year old

Literature cited:

All About Birds

Planet of Birds

Ducks, Geese and Swans of the World