Orangutan Foundation on Instagram: "Did you know that some primates suck their thumbs as infants, much like humans? 🦧 Only a few months old, ex-captive Acuy’s infant is still entirely dependent on her mother. She has spent most of her first few weeks sleeping on Acuy’s chest but is now slowly beginning to move and engage more with the world around her. Our post-release monitoring camps in Lamandau Wildlife Reserve enable us to observe these tiny infants as they grow and learn – a truly fascinat