Suicide ants.

The nature of the Earth is full of amazing and interesting. Scientists are constantly discovering something new in the behavior of animals and insects.
Very many, in this direction brings the study of life ants.

There are a large number of species of these insects. Everyone has their own behavior.
But, perhaps, one feature of strongly is committing about fifteen species ants. It's self-sacrifice to protect the colony. And sacrificing ants is very extraordinary. They explode. In the truest sense.

When attacking a colony of working ants these types of squeezing the muscles of his abdomen, which explodes, spraying with poisonous liquid.
It is difficult to say how effective such protection is, but there is no doubt that such live bombs are a serious obstacle for the attackers.
Of course, there are "soldiers"in the colonies of these ants. They're the first ones to take forward. In other colonies, working ants can't help their soldiers very much. A "exploding" ants ready to defend the full composition. Soldiers with the help of the jaws, and the workers, exploding, nabryzgivajut enemy with poison.
Currently it opens all new ant species with a similar behavior. In 2018, another species found in Indonesia and Malaysia was discovered.
Life ant us invisible, but with close attention you can see what will strike us. After all, in fact ants are another civilization, and much more than the human population of the Earth.

photo Wikipedia