We often write about changes we’ve seen in the chimpanzees since their arrival from the research lab a little over five years ago. Physically and emotionally, they are different chimps. They are stronger, happier, and undoubtedly more alive.
But in many ways, they have held onto some parts of their old selves. One of Negra’s most enduring – and endearing – habits is to drape a blanket over her head like a poncho. It seems to help her feel secure in her ever-changing world.