Reintroduced platypus population ‘tracking well’ in Australia’s oldest national park

Platypuses reintroduced to Australia’s oldest national park are breeding and appear to be on a good population trajectory with 20 known individuals now, scientists say. For more than 50 years, the platypus (Ornithorhynchus anatinus), a semiaquatic, egg-laying mammal, had been absent from Royal Natio…