Platypus
Context
A unique egg-laying mammal native to eastern Australia, including Tasmania, known for its duck-bill, webbed feet, and beaver-like tail
Explanation
The platypus is one of the few venomous mammals, with males possessing a spur on the hind foot that delivers a painful venom.
Applications
It's an iconic symbol of Australia's unique wildlife and is featured in Aboriginal folklore.
Platypuses are bio-indicators of river health, feeding on aquatic invertebrates.
Their unusual features make them a subject of interest in the study of evolutionary biology.