Animals and people mixed. This gives the bird a sophisticated look with the tea cup and long jacket. The bird looks bright against the faded background and its beak looks like the main stand-out colour among the cooler colours.
Self portrait ideas Mapping 2013 on Behance Use a process like this for "identity/self-concept" activity about skin color/shade/tone/palette. Put vertical photo strip of every child together on a couple images to make a collective face.