I. Animal Communication

How do animals communicate?

Variety of different signals

Visual signals

Auditory signals

Olfactory signals (chemical signals)

Electro signals

Touch signals (tactile)

Seismic signals

Others…

1. Visual signals

• Gesture• Facial expression• Gaze following• Color change• Bioluminescent

1. Visual signals

a/ Gesture: display of distinctive body parts, or distinctive bodily movements

1. Visual signalsb/ Facial expression

1.Visual signals c/ Gaze following: the abilities of animals to

follow the gaze of those they interact with (members of their own species or humans)

Ayumu looked at the target object at which the experimenter pointed

1. Visual signalsd/ Color Change

CardinalThe male American goldfinch

1. Visual signals

e/ Bioluminescent

Anglerfish

2. AuditoryUse sound to communicate

3. Olfactory (chemical signals)Communication through smell and taste

skunk cat

4.ElectroReceive vibrations in the water

Aquatic animals

5. Touch (Tactile)

Communicate through touch

6. Seismic