Hundreds of seabirds , including razorbills , guillemots , fulmars and kittiwakes , spend the summer nesting on the island 's eastern cliffs , the numbers reflecting the fact that there are no land predators such as rats or foxes to worry about .
Hundreds of sea birds , including razorbills , guillemots , fulmars and kittiwakes , spend the summer nesting on the island 's eastern cliffs . There are no land predators such as rats or foxes on the island .