How decades of conservation work is saving the Puerto Rican crested toad
Native to Puerto Rico and found nowhere else in the world, the Puerto Rican crested toad once played a steady role in the island’s ecosystems. Due to habitat loss, invasive species, and disease, populations reached near extinction. By the late 20th century, it had vanished from much of its historic range. What remained was a fragile population and a narrow window to act.
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at Saturday, Jan 24, 2026