References

 

Consulting by Charlie Gray for:

  • Indianapolis Zoo, Indianapolis, Indiana
  • Rosamond Gifford Zoo at Burnett Park, Syracuse, New York
  • Saint Louis Zoo, Saint Louis, Missouri
  • Oregon Zoo, Portland, Oregon
  • Albuquerque Bio Park, Albuquerque, New Mexico
  • Calgary Zoo, Calgary, Alberta
  • Toronto Zoo, Toronto, Ontario
  • Disney's Animal Kingdom, Orlando, Florida
  • Toledo Zoo, Toledo, Ohio
  • Pittsburgh Zoo, Pittsburgh, Pennsylvania
  • Columbus Zoo, Columbus, Ohio
  • Hogle Zoo, Salt Lake City, Utah
  • Zoo Hannover, Hannover, Germany
  • Wuppertal Zoo, Wuppertal, Germany
  • Mahidol University, Saiyoke, Thailand
  • Maesa Elephant Camp, Chiang Mai, Thailand
  • Taman Safari, Bogor, Java, Indonesia
  • Seblat Elephant Camp, Bengkulu, Sumatra, Indonesia
  • Tangkahan Elephant Camp,Tangkahan, Sumatra, Indonesia
  • Way Kambas Elephant Camp, Way Kambas, Sumatra, Indonesia