| island life shapes the physiology and life history of eastern bluebirds (sialia sialis). | abstract island organisms face a range of extrinsic threats to their characteristically small populations. certain biological differences between island and continental organisms have the potential to exacerbate these threats. understanding how island birds differ from their continental relatives may provide insight into population viability and serve as a predictive tool for conservation efforts. we compared an eastern bluebird population in ohio with a threatened population in bermuda in terms ... | 2014 | 24457931 |