Drongo

(n.) A passerine bird of the family Dicruridae. They are usually black with a deeply forked tail. They are natives of Asia, Africa, and Australia; -- called also drongo shrikes.

I take your point but there is no need to insult the planet's wild creatures by using their names to cover the few sad cases of humanity that do actually cause these problems.

If we police and treat all football fans as badly as the animals we herd - is it any wonder that these groups of people tend to react and behave badly?