Don't feel too bad, Elisabeth. Don't they say that fully 90% of all 'facts' on the internet are complete nonsense? Or something like that. That fact is probably wrong.
We're all bound to get caught out now and then at that rate!
Maybe someone could write a story about an owl who is firmly convinced that only he can see Superman flitting around and the other birds are too kind to disabuse him of the notion.
LabRat