Bullying in the park

I guess bullying happens in different ways, and even in the bird's world.  First, it were the House Crows that went after the Brahminy Kites and nest (and one thought that smaller birds would not do that to bigger ones but there is certainly meanness in strength as the Crows came in a flock of five).

And then on the other side this Common Iora could only look on helplessly albeit noisily as a Common Myna decided to raid its nest.