Eleutherodactylus bothroboans

Eleutherodactylus bothroboans is a critically endangered frog species endemic to Puerto Rico, belonging to the diverse genus of direct-developing frogs known as coquís. This small terrestrial amphibian is characterized by its distinctive call and direct development, meaning it bypasses the typical tadpole stage and develops entirely within the egg. The species has an extremely limited distribution range within Puerto Rico's mountainous regions, making it particularly vulnerable to environmental changes. Like many Caribbean endemic amphibians, E. bothroboans faces severe population declines due to habitat destruction from deforestation, urban development, and agricultural expansion. Climate change poses additional threats through altered precipitation patterns and temperature fluctuations that affect the species' breeding success and survival. The introduction of invasive species and potential disease outbreaks, including chytrid fungus which has devastated amphibian populations globally, further compound the risks to this already vulnerable species. Hurricane damage to forest canopy and understory vegetation has also impacted available habitat. Conservation efforts focus on habitat protection within existing protected areas and monitoring of remaining populations to track population trends. Research initiatives aim to better understand the species' ecological requirements and breeding biology to inform targeted conservation strategies. The species' critically endangered status reflects the urgent need for immediate conservation action to prevent extinction, including habitat restoration and protection of remaining forest fragments where the species persists.