The napu, or greater mouse deer, is an even-toed ungulate found in Southeast Asia's tropical forests. Rediscovered in Singapore in 2008.
The little rock wallaby, or Narbelek, is a challenging Australian marsupial to study due to its remote habitat and resemblance to other species.
Nautilus, often associated with large ships, is a unique "living fossil" in the sea, unchanged for millions of years, now endangered.
The nene, or Hawaiian goose, is Hawaii's state bird and is endangered, with its population reportedly falling below 4,000, making it very rare.
The New Guinea singing dog, thought extinct since the 1970s, was rediscovered in 2018. It’s known for unique vocalizations and ancient lineage.