Little Penguins: Species & Facts Guide
The Little Penguin (Eudyptula minor) is the world's smallest penguin species. Growing to just 33 cm (13 inches) tall and weighing around 1 kg (2.2 lbs), they are characterized by their unique slate-blue feathers and white undersides.
🐧 Little Penguin Biology Facts
Physical Characteristics & Blue Plumage
Little Penguins are also known as **Fairy Penguins** in Australia and **Blue Penguins** in New Zealand. Unlike standard black-and-white penguins, their feathers are a distinct indigo-blue color on their backs and wings. This coloring is a natural camouflage strategy called **countershading**:
- When viewed from above by sharks or birds of prey, the blue-grey feathers blend into the dark ocean water.
- When viewed from below by seals or large fish, their white bellies blend into the bright, sunlit sky above the water.
Their feathers are extremely dense (approximately 10,000 feathers per square inch) and are coated in oil from a gland at the base of their tail, making them completely waterproof and insulated against chilly Southern Ocean waters.
Diet and Hunting Habits
Little penguins are carnivores and skilled ocean hunters. They forage in shallow waters near the coast, diving to catch prey. Their diet consists of:
- Small Fish: Anchovies, pilchards, and redbait.
- Squid: Small squid species caught in deep dives.
- Krill & Crustaceans: Supplemented when fish is scarce.
A little penguin can dive up to 1,000 times a day while hunting, spending up to 4 weeks at sea during winter before returning to their land burrows.
FAQ: Little Penguins
Why are they called fairy penguins?
"Fairy Penguin" was the traditional common name used in Australia due to their tiny size. However, the international scientific community prefers the name "Little Penguin" to standardise naming across regions, including New Zealand where they are also native.
Are little penguins endangered?
No. The little penguin is classified as "Least Concern" on the IUCN Red List. However, individual colonies face significant local threats from introduced predators (foxes, dogs), oil spills, plastic pollution, and overfishing. The Phillip Island colony is heavily protected and growing.
How fast do little penguins swim?
They swim at an average speed of 2 to 4 kilometers per hour (1.2 to 2.5 mph), but can reach bursts of up to 6 km/h when fleeing predators or chasing fast fish.