Trumpeter swan non-native Eurasian mute swan population who compete for habitat. One of the largest conservation sites for the trumpeter swan is located in Lois Hole Provincial Park. It is located adjacent to the renamed Trumpeter subdivision of Edmonton, Alberta within Big Lake. Joe Johnson, a biologist for the W.K. Kellogg Bird Sanctuary, part of Michigan State University’s Kellogg Biological Station, obtained trumpeter swans from Alaska for re-introduction to Michigan beginning in 1986. The population has grown via continued re-introductions and organic growth to 756 birds by 2015. The native swans have benefited from removal of non-native mute swans by the Michigan
Trumpeter (bird) grey-winged trumpeter. For these reasons, Spruce recommended that England import trumpeters to India. However, another source says this prowess is "reputed". Trumpeter (bird) The trumpeters are a family of birds restricted to the humid forests of the Amazon and Guiana Shield in South America. They are named for the trumpeting or cackling threat call of the males. The three species resemble chickens in size; they measure long and weigh . They are rotund birds with long necks and legs and curved bills and a hunched posture. Their heads are small, but their eyes are relatively large, making them look "good-natured".