European Storm Petrel Breeding Colony (Mousa, Shetland) — Mousa Island

About this spectacle

Mousa Island hosts one of the world's most accessible seabird nocturnal spectacles. Each summer, thousands of European Storm Petrels return to their burrows inside and around the ancient Mousa Broch after dark, filling the air with an eerie churring and purring chorus audible before a single bird is seen. Visitors arrive by small boat at dusk, waiting as the sky dims and the petrels materialise from the darkness — tiny, fluttering silhouettes circling the ancient stone tower. The sound is extraordinary: a sustained, insect-like trilling from hundreds of birds simultaneously. The island itself is remote and largely treeless, amplifying the sense of isolation and wildness. At close range, petrels can land on clothing or hands, making encounters remarkably intimate. The experience ends as dawn approaches and the birds fall silent, retreating into crevices and burrow entrances.

When to go

May — Aug, peak Jun — Jul

Getting there

Nearest airport: LSI. Nearest city: Lerwick.

Booking options

Goyova doesn't process bookings directly. When you tap "Plan this trip" in the app, you'll see options from our partner providers — accommodation, tours, transport — with affiliate links where applicable. See our affiliate disclosure for details.