Young Trumpeter Swans Released in Yellowstone to Offset Population DeclineIn the early 1960s, there were more than 60 birds and 17 territorial pairs.Tom Morton
Trumpeter Swan Deaths Run High This Winter in WyomingBiologists are surprised by the high mortality rate because they expected fewer deaths during a winter that was mild at low elevations.Associated Press
Migrating Trumpeter Swans Arrive in Western WyomingMost of the swans live in the Canadian taiga during the summer and typically arrive in Wyoming in late October. Associated Press