Blurb:

1 Introduction
2 What makes Human Language Special?
2.1 Defining Properties of Human Language
2.2 Is Recursion the Key to Human Language?
3 Properties of Animal Communication Systems
3.1 Forms of animal communication
Chemical signals
Visual signals
Sounds
Touch
Smell
Posture
Facial gestures
4 Animal Communication Systems
4.1 Bee dances
Experiments on Bee Communication
Karl von Frisch
Distinct Bee Dances
4.2 Birdsong
Experiments on Birdsong
4.3 Vervet Alarm Calls
4.4 Cephalopods
5 Conclusion
References
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