Anyone else know/notice that gargoyles kill other gargoyles?

Maybe its because i don’t use them but on a tester I realised that when I spawned 5-6 or even 7. One would hit then most the other ones would die after its little star explosion when on the floor. 7 gargoyles didn’t even take out a level 7 blockade as most died before they even attempted it.

Is this already known?

Pictures to show blockade health during and after 7 gargoyles…

http://imgur.com/XfANUn6

http://imgur.com/JyoYMCj

I’ve noticed that gargoyles are tricky and inconsistent to manage. Your king can throw them off and disrupt their pattern so that they die without causing damage. Also if a tower attacks them they often carc’ it without dropping the bomb.