You might not expect there to be much going on behind those small, glossy eyes. Ducks have a certain reputation: pleasant, a bit vacant, occasionally aggressive around bread. Not, as a rule, the sort of animal you'd look to for insight into social organization. It is worth setting that aside. If you actually sit on a park bench and watch them for a few minutes, you start noticing things. One duck looks up from the water, suddenly a few more...
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