Bibliography

1.http://petrix.com/dogint/

2.www.dog-obidience-training.com

3.http://en.wikipedia.org/wiki/dogs

4. http://www.abc.net.au/animals/dog_test/

5.  http://www.healthyfood for pets.com/canine-intelligence.html

6.http://animaldiversity.onmz.umich.edu/site/accounts/information/canidae.html

7. http://3danimation.e-spaces.com/character_animation/cutedog/yorkshire_terrier_dog.jpg

picture of dog

http://3danimation.e-spaces.com/character_animation/dog_yorkshire_terrier.jpg