the trumpeter swan, the mute swan and the tundra swan (sometimes known as the whistling swan). Trumpeter swans almost went extinct during the early 1900s—fewer than 100 were in the Lower 48 at ...

Every fall, officials with the Minnesota Department of Natural Resources warn waterfowl hunters to avoid mistakenly shooting trumpeter swans. Notices are printed in Minnesota’s waterfowl hunting ...

The whooper swan, like its onomatopoeic cousins, the whistling and the trumpeter, belongs to an elegant society of sisters; the mute, Bewick's, black, and black-necked fill out the ranks.