Grey Wolf (image) Earlham Institute Share Print E-Mail Caption The domestic dog, Canis familiaris, is the result of wolf (Canis lupus) domestication, which started around 10,000 years ago. Credit Gary Kramer Usage Restrictions Image in public domain. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.