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
Pale-winged trumpeter Pale-winged trumpeter The pale-winged trumpeter ("Psophia leucoptera"), also known as the white-winged trumpeter, is a species of bird in the family Psophiidae. It is found in the southwestern Amazon rainforest of Brazil, northern Bolivia, and eastern Peru. It has two subspecies: The widespread nominate has a white rump and is found south of the Amazon River and west of the Madeira River, while "ochroptera" has a yellowish rump and is found between the Amazon River and the lower Rio Negro. Genetic evidence suggests the closest relative of "ochroptera" is the grey-winged trumpeter, leading some to treat it as a separate