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This study examined seasonal diversity and feeding behavior of those avian species utilizing that region of the Northwest Gulf Coastal Plain known as the Chenier Plain. Field observations were conducted at three forested locations on coastal cheniers for three years (1993-95) in the spring and at one location for three years (1996-98) in autumn to determine species presence and diet. One hundred and twenty-eight species were present during the spring and 103 species in autumn. The majority of these species were migrants (103 species in spring and 89 species in autumn) and the majority of these were Nearctic/Neotropical species (73 species in spring and 66 species in autumn). The diet of these migrants was more variable than expected. Many insectivorous species were observed to consume seeds, fruit and nectar as well as insects. Because of these varied diets, many species serve as seed dispersers, occasional pollinators and important predators of herbivorus insects. Wooded areas were found to be important in providing food, cover and water for migrating species. A review of historical changes in the landscape of this area is presented and management practices designed to restore wooded habitat to this area are proposed.
Additional Publication Details
Contribution of landbird migration to the biological diversity of the northwest gulf coastal plain