Platypuses are egg-laying mammals — a lineage almost unchanged for 100 million years. Use electroreception in their bills to detect prey underwater.
Sit quietly along the Yarra at dusk. They’re shy, but the valley still has a healthy population.

Living Nature
Platypus in the Upper Yarra — egg-laying mammals using electroreception in their bills. Sit quietly along the river at dusk to see them.
Ornithorhynchus anatinus
Platypuses are egg-laying mammals — a lineage almost unchanged for 100 million years. Use electroreception in their bills to detect prey underwater.
Sit quietly along the Yarra at dusk. They’re shy, but the valley still has a healthy population.