Practice question · Numerical answer
How many acoustically distinct alarm calls did the vervet studies establish?
Hints
- One for a threat from the ground, one from the air, one from below.
- Leopard, eagle and snake.
Show the answer
3
Why
Three. Three calls give three messages, and no combination of them produces a fourth, which is precisely the ceiling that duality of patterning removes in human language.
Practise Animal Communication
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