Bluebirds are not happy little birds.
They are territorial little bolts of blue doom swooping down from nowhere to leave blue feathers up your nose, make you crash your bicycle, and then chase you across the cow field.
Which is what the missus and I saw one fine day from the safety of the interior of my car.
Wonder if the report on the main board is accurate. This one needs clearing up in a hurry if inaccurate.