Cornell Lab of Ornithology
Cornell Lab of Ornithology: Trumpeter Swan
Cool facts, range, habitat, diet, behavior, reproduction, and conservation status are the topics covered in this all encompassing site. In addition, you can hear sounds of this swan on this site.
Canadian Museum of Nature
Canadian Museum of Nature: Trumpeter Swan
Briefly described are the Trumpeter Swan's characteristics, habitat, and breeding habits. Included are seven photographs.