Not a crow

Notice the black bird below. It is not a crow. The pale beak and the red eyes give it away. 

It is actually a brood parasite. It is not as vicious as a cuckoo in that it did not eliminate its own nestmates. Its mother did remove one egg so that she could lay his egg in the nest. 

Asian Koel - Male

Below is an actual crow to compare. Its eyes and beak are black.

Common Crow