A bird of the North American race of the tundra swan, breeding in northern Canada and overwintering on the coasts of the US.
- ‘The law protects the whistling swans in their winter homes.’
- ‘Along the stream headed towards Nagano, there is an area where whistling swans have recently been making their stopovers.’
- ‘The endangered whooping cranes occasionally visit the river during migration, and sandhill cranes and whistling swans are common.’
- ‘On this morning, about 150 of the swans, also called whistling swans, were swimming in the center of one of the largest bogs as a bald eagle circled overhead.’
- ‘Waterfowl that can be found here include Canada goose, yellow-billed loon, arctic loon, red-throated loon, tundra swan, whistling swan, snow goose, oldsquaw duck and sea ducks.’