The Pittsburgh Zoo and PPG Aquarium

http://www.pittsburghzoo.org

 

Zoo Wuppertal

http://www.zoo-wuppertal.de/index.php?id=73&L=2

 

Parelli Natural Horsemanship

http://www.parellinaturalhorsetraining.com

 

Jesse Peters

http://www.jesserpeters.com

 

Afrika Yetu

http://afrikayetu.org