Mafia-like Behavior Birds (IMAGE)

Max-Planck-Gesellschaft

Mafia-like Behavior Birds

Caption

Theoretical frequency of mafia behavior in a population (simple model with one egg per season). Mafia-like parasites (above) appear cyclically more and less frequently. Similarly, the frequency of host birds (below) which accept a foreign egg immediately or only after their eggs have been destroyed varies (conditional accepters).

Credit

<i>Scientific Reports</i>, 2014

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