Dragonflies are the most successful predators in the animal kingdom.
Why it is true
They catch their prey in mid-air about 95% of the time, using incredible flying agility and exceptional eyesight.
Source: Entomology
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.