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Effects of volcanic ash on the insect food of the Montserrat Oriole Ictereus oberi Lawrence 1880: Author: Marske, Katharine Ann; Date: 2004-08-15; Program: Entomology; Abstract: The Montserrat Oriole, Icterus oberi Lawrence, endemic to the West Indian island of Montserrat, has grown critically endangered since volcanic eruption began on that island in 1995. The Soufriere Hills Volcano has devastated much of the oriole's native habitat, and populations within intact forests have plummeted in recent years. One hypothesized cause for the Montserrat Oriole's decline is that low insect prey numbers during the nesting season, as a result of volcanic ash in the environment, is resulting in increased nest failure. The hypothesis of a negative effect of ash on canopy arthropod...; Download File | View full details