Colony Development and Density-Dependent Processes in Breeding Grey Herons

<table>Yearly changes in the number of nests in the Renkoji and Tama Zoological Park colonies. In 2000, the Renkoji site was abandoned, and a new colony was established at the Tama Zoological Park close to Renkoji.</table>

International Journal of Zoology

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Figure 1

Figure 1: Colony Development and Density-Dependent Processes in Breeding Grey Herons 