25 marzo 2015
Before a male damselfly hot-headedly enters into a duel of aerial sparring, it first works out its strategy. It gives its opponent’s wings a once-over to assess its strength, knowing that more transparent wings and larger red spots generally show a stronger rival. Those who then decide to engage in long fights either try to wear their opponent down, or dazzle them with brilliant aerial moves that are too hard to follow, scientists have found.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/kmuRZCkG8gM/150325101940.htm
