Little Penguin Behaviour & Life Cycle

Little penguins exhibit complex social behaviors. They form cooperative groups called "rafts" at sea to stay safe from predators before running ashore. On land, they nest in underground burrows, mate for life, and undergo an annual feather molt.

Key Behaviours Explained

1. Why They "Raft" Before Landing

Little penguins are highly vulnerable to land and sky predators (like birds of prey and dogs) when crossing the open beach sand. To minimize this risk, they gather just offshore in groups of 20 to 100 birds, waiting for complete darkness. This gathering is called a **raft**. Once the group feels safe, they run across the beach together. If one gets scared, the whole raft will sprint back into the sea.

2. The Annual Feather Molt (February – March)

Every year after the breeding season, little penguins must replace all of their feathers. This process is called **molting** and takes roughly 17 days. Because they lose their waterproof seal during this time, they cannot enter the cold ocean to fish. Before molting, they double their weight by eating extra fish. They then sit quietly inside their burrows, losing their old feathers and growing new ones while fasting.

3. Vocalization & Communication

Little penguins have loud voices. In the dunes, they make a variety of noises, including soft braying, loud squawks, and high-pitched chirps. These calls help mates find each other in the dark, warn other penguins away from their burrows, and signal territorial boundaries.

Breeding & Lifespan Cycles

Little penguins generally form long-term pairs, often mating for life. Their breeding sequence follows a yearly pattern:

1. Burrow Renovation (May – June): Couples clean out their sand burrows or line timber nest boxes with grass and leaves.
2. Egg Laying (August – October): The female lays two eggs. Both parents take turns incubating the eggs for 35 days while the other hunts at sea.
3. Chick Raising (October – December): Chicks are fed regurgitated fish. By 8 weeks, the chicks are fully independent and leave the nest to forage in the ocean.

FAQ: Penguin Behaviour

Do little penguins sleep at sea?

Yes. Little penguins can spend weeks at sea during winter. They sleep by floating on the water's surface, taking short catnaps throughout the day and night while staying alert for underwater predators.

Why do they waddle instead of walking straight?

Their legs are positioned far back on their bodies to act as powerful propellers and rudders while swimming. While this makes them highly efficient in the water, it forces them to shift their weight side-to-side on land, creating their signature waddle.

Can you see baby penguins during the parade?

During the peak breeding season (October to December), you can often see chicks waiting outside their dune burrows, calling out and begging their returning parents for food as they walk off the boardwalks.