An irruption sounds medical and painful but this reference is to waxwings, their irruption describing a sudden and sometimes very large influx of the birds into our country. Apparently this happens when they have a population explosion in their native Scandinavia, forcing some to fly across the North Sea in search of food.
We've had two small flocks visit the garden, one on November 4th - link here - and one more recently. We'd like to see more as they are very attractive and, usually, quite tame birds, so it's possible to move close to them.
Other birds have similar irruptions. We've seen a very large flock of redwings on Ardnamurchan, and fieldfares can appear in large numbers, both species from Scandinavia, however they haven't appeared here at all so far this year.
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