Bibliography (6):

1. Assessing cats’ (Felis catus) sensitivity to human pointing gestures

2. A Comparative Study of the Use of Visual Communicative Signals in Interactions Between Dogs (Canis familiaris) and Humans and Cats (Felis catus) and Humans

3. Cats learn the names of their friend cats in their daily lives

4. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/Deixis

      https://en.wikipedia.org/wiki/Deixis

   2. https://en.wikipedia.org/wiki/Gesture#Symbolic_gestures

      https://en.wikipedia.org/wiki/Gesture#Symbolic_gestures

   3. https://en.wikipedia.org/wiki/Japanese_tit

      https://en.wikipedia.org/wiki/Japanese_tit