You might also find some migrants making a pitstop on their way to breeding grounds further north.
Roseroot, red campion and sea campion are among the many flowers that form a natural rock garden on the sea cliffs.
A red flag also flies on the island if sea conditions are too severe to cross.
Take the car ferry from Lerwick to the Bressay ferry terminal.
Spring sees the arrival of seabirds, including gannets, skuas, puffins, fulmars and kittiwakes.
Watch the complex rituals as gannet parents swap incubation duties.
If you’re lucky you might also spot orcas – or killer whales.
Separated from Lerwick by the Bressay Sound, Bressay is the fifth largest of the Shetland Islands, with a population of around 400 people, many of whom travel daily by ferry to work in Lerwick.
Located above the car park for the Bressay Ferry, which travels between the island and Lerwick, the Bressay Heritage Centre features interesting exhibitions and information relating to the history and culture of the island.
It is operated by the Bressay History Group which uses the centre as a gathering place for discussions on the history of this rugged region of Scotland.