Young indri lemurs learn to sing like human children do. The characteristics that are similar between humans and the indris are called nonlinear phenomena (NLP) and included cracks, jumps in pitch, and rough, noisy sounds https://t.co/2qofkVhyph #IndriLemurs #AnimalBehavior #NonlinearPhenomena #Nospecificcountrycodesarementionedinthetweet.
