Gibbon hoolock occidental (Hoolock hoolock)
Inde, Tripura, Gumti,Sanctuaire de la vie sauvage, Gibbon hoolock occidental (Hoolock hoolock), bébé. India, Tripura state, Gumti wildlife sanctuary, Western hoolock gibbon (Hoolock hoolock), baby. (Photo by Sylvain CORDIER/Gamma-Rapho via Getty Images)