5 ways animal communicate
they use visual aid
Use auditory or sound-based signals 
use chemical such as pheromones
Use touch-based cues.
Use echo or ultrasound
<START_INST>5 ways animal communicate<END_INST><START_CTX><END_CTX><START_A>they use visual aid
Use auditory or sound-based signals 
use chemical such as pheromones
Use touch-based cues.
Use echo or ultrasound<END_A>