Death ceremonies

Never complete

1. Without the crow being fed the first morsel of food.
2. To eat the three dumplings of rice served on a plantain leaf.

Sanitary worker

The crow — the original pourakarmika (sanitary worker) of our cities, cleans up entire neighbourhoods of left-overs 

Human tasks

http://www.sciencedaily.com/releases/2014/12/141218131427.htm
https://www.youtube.com/results?search_query=Crows+brain+can+solve+human+tasks