Trumpeter SwanCygnus buccinator 13 August 1967 Yellowstone Park, Wyoming January 1971 Yellowstone Park, Wyoming August 1977 Calgary Zoo, Alberta, Canada August 1977 Calgary Zoo, Alberta, Canada August 1977 Calgary Zoo, Alberta, Canada 10 May 2025 Los Angeles Zoo, California
13 August 1967 Yellowstone Park, Wyoming
January 1971 Yellowstone Park, Wyoming
August 1977 Calgary Zoo, Alberta, Canada
August 1977 Calgary Zoo, Alberta, Canada
August 1977 Calgary Zoo, Alberta, Canada
10 May 2025 Los Angeles Zoo, California