And there are an awful lot of them in the gardens around the Stray. They arrived from continental Europe about fourteen years ago and have spread as far north as Glasgow. They like to nest in bird boxes, and at this time of year the males make a huge commotion around potential nest sites, clearly on the assumption that females will find them attractive.
They may be useful pollinators at a time when other pollinators are in decline. Or they might be an invasive species that competes with out native bumblebees. The jury's out.
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