Well, there are allot of thing's could be if you seal the birds eggs, if you bother the bird. If you steal the birds food. Or four, if you are in the birds territory.
cause and effect of aggression
Yes it can cause aggression.
Muscle
Communist aggression.
Bad owners.
when it winter in other country some animals migrate like birds and they go somewhere much warm cause birds are cold blooded they don't have the ability to produce heat
we aim it at people or things that are not the cause of our frustration.
Birds pecking at each other could be a sign of aggression or stress. It's important to monitor their behavior and environment to determine the cause. Providing enough space, enrichment, and attention can help minimize pecking behaviors.
symbolic aggression is any kind of verbal or psychological abuse. It can cause severe mental distress on the person in which it is inflicted on to.
It represents war cause those three animals are the mightiest of all birds and known to kill other weaker birds. Their life and appetite fits the brutality of war.
Communist aggression.
Communist aggression. The communists.