In 1934, the U.S. Navy took over a California island and inherited a feral goat population; 73 years later, their DNA surprised scientists

San Clemente Island goats, introduced centuries ago, threatened native ecosystems and species. Navy eradication efforts removed thousands of these invasive animals from the island. Genetic research later revealed the goats possessed unique Iberian heritage traits. This finding presented a complex conservation dilemma for wildlife managers. Descendants now survive on farms, while the island ecosystem slowly recovers.
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