More indepth about the bird attacks.?

Question

My brother was attacked by a bird on his way to a job interview

Answer 1

This happens when we get too close and become a seen threat to the parent birds when they have a nest or babies.

Is rather common.

Answer 2

What species was it?  Some birds are more territorial than others.  In general, they will attack humans when they feel threatened, or when they feel that their nest may be in danger.