1994-Mesker Park Zoo-Evansville, IN
1995-Toledo Zoo-Toledo, OH
1996-St. Louis Zoo-St. Louis, MO
1997-Phoenix Zoo-Phoenix, AZ
1998-Riverbanks Zoo & Gardens-Columbia, SC
1999-San Diego Zoo, San Diego Wild Animal Park, Seaworld San Diego-San Diego, CA
2000-Calgary Zoo-Calgary, Alberta, Canada
2001-Pittsburgh Zoo-Pittsburgh, PA
2002-Oregon Zoo-Portland, OR
2003-Philadelphia Zoo-Philadelphia, PA
2004-Oklahoma City Zoo-Oklahoma City, OK
2005-Tennessee Aquarium-Chattanooga, TN
2006-Zoo New England-Boston, MA
2007-Point Defiance Zoo & Aquarium-Tacoma, WA
2008-Cleveland Metroparks Zoo-Cleveland, OH