Bibliography (7):

1. Attachment bonds between domestic cats and humans

2. The cry embedded within the purr

3. Humans can identify cats’ affective states from subtle facial expressions

4. Stress in owned cats: behavioral changes & welfare implications

5. Facial expressions of pain in cats: the development and validation of a Feline Grimace Scale

6. Responses of cats to petting by humans

7. Wikipedia Bibliography:

   1. Cat