The future of the platypus, a unique duck-billed, egg-laying mammal only found in Australia, is under threat because they cannot climb over tall river dams, according to a new study. READ:
The platypus is an oddity in many ways. As well as its duck-like bill and egg-laying, it is a rare venomous mammal, brandishing centimeter-long poisonous spurs on its hind legs.
But the number of platypuses has fallen by 50 percent since Europeans settled Australia more than two centuries ago, according to previous research. More than three quarters of Australia’s dams measuring over 10 meters are in regions where platypuses live, the study said. They also estimated that the genetic differences had increased in every platypus generation since the nearby dams had been completed.
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