He also has worked on a study of the habitat requirements of songbirds that spend the winter in the U.S. Virgin Islands. Currently he is studying the habitat requirements of Blue-winged Warblers and other species that are restricted to early successional habitats. He recently completed a book on conservation of terrestrial birds in North America that will be published by Yale University Press. Askins, R. A. 1997. Pimm, S. L. and R. A. Askins.
Forest losses predict bird extinctions in eastern North America.
Askins, R. A. 1995. Hostile landscapes and the decline of migratory birds. Askins, R. A. 1994. Impact on shrubland and forest-interior birds.