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Globally, 55% of waterbirds are declining, with 51% of waterbird species declining in the western hemisphere. The loss of breeding habitat is of particular concern, especially for colonial waterbird species that depend on islands for colony-sites.  However, managers are limited in their ability to implement restoration or other conservation plans because of a lack of understanding of how island characteristics affect key demographic parameters such as nest survival or brood size. Therefore, this study proposes to measure nest survival and productivity of five species of colonial waterbirds that nest on the Texas coast.