Saint Patrick's Bane

Island snakes, despite common perceptions, often exhibit high abundance and diversity, serving as powerful models for studying ecology and evolution. This volume explores how isolation and unique insular environments drive rapid adaptive changes in snake populations, including shifts in body size, reproductive biology, and trophic behavior. Key findings highlight the fragility of island ecosystems, with some species evolving to exploit marine-based food subsidies or adapt to extreme conditions, such as female snakes developing male sex organs due to inbreeding. The research synthesis combines biogeographic overviews and detailed population studies across regions like Borneo, New Guinea, the Gulf of California, and the Galapagos, leveraging genetic data to redefine snake phylogeny. Conservation challenges, including habitat destruction, climate change, and invasive species, are also addressed, emphasizing the need for citizen science and public engagement to protect these evolutionarily unique populations.

Shine, R. (2024). Saint Patrick’s Bane. BioScience, 74(12), 883–885. https://doi.org/10.1093/biosci/biae098