mine is me feeding a little momma kangaroo (who has Joey in pouch) at an animal rescue place outside Hobart, Tazmania (Australia). Turns out lots of people get baby kangaroos as pets, then abandon them when they get bigger (and very ornary and pushy) - not so great in the city. Like stray dogs but more willing and able to fight people, and bigger. This place "rehabbed" them but couldn't turn a lot of them loose after, they were too used to people feeding them.
We bought little bags of food, and the 'roos heard the bags rustle and came for food. When we ran out, they took the bags and looked in them, then looked at us with that "you jackass, you didn't bring enough for everybody" look. The pushier ones tried our pockets but didn't find anything and hopped off. Kind of surreal interacting with an animal almost our size (the big ones at least) that was clearly thinking and planning and learning and totally capable of kicking our asses. We felt very vulnerable when we ran out of food.
I still have mixed feelings about that encounter, but this picture makes me smile.