What a healthy pre-moult weight looks like for St Kilda’s penguins

Why researchers weigh St Kilda’s little penguins before moulting, what a healthy pre-moult weight looks like, and what a light bird tells them.
Inside the nest: what happens during the five-week incubation

A look at little penguin incubation at St Kilda: five weeks, two eggs, shared shifts, and why a quiet rock cavity matters more than you’d think.
Why little penguins only ever come ashore after dark

Little penguins come ashore after dark for a reason rooted in survival, not shyness. Here’s why St Kilda’s colony waits for dusk every single night.
Why the St Kilda breakwater gets so noisy after dark

St Kilda penguin calls peak at dusk as pairs reunite and rivals defend burrows. Here’s what each sound actually means, decoded for visitors.

