Are humans the only animal to collect things? @bbcnewsuk told a story about a girl who fed the crows and in return the crows left her gifts. She collected and curated the gifts, her favourite one was part of a charm that had the word 'best' on it, and she hoped the crow had kept the part that said 'friend'.

A collection of memories.

My son’s transitional object has always been a bunny—his comfort blanket since babyhood.

Object Memories and Nostalgia