1982
Sedgwick County Zoo
Wichita, KS

1983
San Diego Zoo
San Diego, CA

1984
Brookfield Zoo
Chicago, IL

1985
Columbus Zoo
Columbus, OH

1986
Woodland Park Zoo
Seattle, WA

1987
Calgary Zoo
Alberta, CN

1988
Arizona-Sonora Desert Museum
Tucson, AZ

1989
Paignton Zoological Gardens
Paignton, Devon, Great Britain

1990
Riverbanks Zoological Park
Columbia, SC

1991
Cincinnati Zoo 
Cincinnati, OH

1992
Marine World Africa USA,
Vallejo, CA

1993
St. Louis Zoo
St. Louis, MS

1994
Audubon Zoo
New Orleans, LA

1995
Montreal Quebec Zoo
Montreal, CN

1996
North Carolina Zoo
Greensboro, NC

1997
Moody Gardens
Galveston, TX

1998
Indianapolis Zoo
Indianapolis, IN

1999
San Diego Zoo & Wild Animal Park
San Diego, CA

2000
Bronx Zoo & Wildlife Park 
Bronx, NY

2001
Disney's Animal Kingdom
Orlando, FL

2002
Kansas City Zoo & Aquarium 
Kansas City, MO

2003
Toledo Zoo
Toledo, OH

2004
Denver Zoo
Denver, CO

2005
Shedd Aquarium
Chicago, IL

2006
Woodland Park Zoo
Seattle, WA

2007
Tulsa Zoo
Tulsa, OK

2008
Cleveland Metroparks Zoo
Cleveland, OH

2009
Jacksonville Zoo & Gardens
Jacksonville, FL

2010
San Diego Zoo & Wild Animal Park
San Diego, CA

2011
Sedgwick County Zoo
Wichita, KS

2012
Disney's Animal Kingdom
Orlando, FL

2013
Riverbanks Zoo & Botanical Garden
Columbia, SC

2014
Moody Gardens
Galveston, TX

2015
San Franciso Zoo
San Francisco CA

2016
Cincinnati Zoo & Botanical Garden 
Cincinnati, OH

2017
Naples Zoo at Caribbean Gardens
Naples, FL