Trumpeter Swan
Cygnus 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
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