Spawning season of a hypothetical individual i generated by the individual-based ABC model. This individual (either a male or a female) firstly met two available partners (either males, females or both) on day d. On day d + 1, the individual was still on the nest built the previous day, but one partner left the nest, possibly joining or building another one. Then, at d + 2, the individual built a new nest and was joined solely by one of the two partners available this day. Indeed, available partners may join or build another nest with other individuals. At d + 3, the individual i built a nest on its own, as no other partner was available. Finally, from d + 4 until the residence time was reached, the individual did not build or join more nests, as its maximum number of nests was reached at d+3. It finally disappeared from the pool of individuals at d + residence time + 1, simulating its death. The table indicates the number of active nests belonging to this individual. Each day this individual was observed on a nest, +1 was added to the count of “active” nests. For this reason, four nests appear in the count but three nests were built.