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Male Mating Season Range Expansion Results from an Increase in Scale of Daily Movements for a Polygynous–Promiscuous Bird

We monitored GPS-marked toms during the spring breeding season and afterwards to see how their movements changed.  We found that daily ranges were larger during breeding season and there was more variation in the daily range size.  However, toms didn’t change how they used habitats or moved about their ranges, which suggests that the increase in range size is indicative of them increasing the scale of their movements.  We suspect that toms are altering their range sizes during spring, but otherwise behaving consistently, to simply locate available hens for breeding.

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