As a wildlife veterinarian I deal with animal death regularly and mostly with a diagnostic interest ("why did this animal die?"). Retrieving dead individuals can be challenging, particularly ape infants that may be carried for days or weeks by their mothers or other group members. I've been fascinated by these episodes and how gorillas react to their dead offspring. They often carry, cradle, groom- and occasionally cannibalize- dead babies leading one to wonder if and how they understand death.