Quote by: David Sheldrick

Mammals require three essentials in life, identity, stimulation, and security, and by far the most important of these three psychological cornerstones is identity.


Share this:  

Author Bio


  • NameDavid Sheldrick
  • BornNovember 23, 1919
  • DiedJune 13, 1977
  • CountryUnited Kingdom
  • ProfessionZoologist
  • AwardsMember Of The Order Of The British Empire