PerspectiveEcology

Keeping an Eye on the Neighbors

Science  08 Oct 2004:
Vol. 306, Issue 5694, pp. 238-239
DOI: 10.1126/science.1104480

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Summary

What determines the size of the home ranges of mammals of different sizes? In his Perspective, Buskirk discusses a recent analysis ( Jetz et al.) that reveals how frequency of interactions with same-species neighbors influences the size of home ranges. It turns out that large mammals have larger than predicted home ranges because they are unable to traverse their home ranges often enough to exclude intrusive neighbors that seek a share of their resources.