Taxonomy in Wikidata is .. "complicated" to be polite. Take this bird for instance.. When you follow all the indicated taxons upwards, it belongs both to the kingdom of the Animalia and the kingdom of the Metazoa.
There are many simple solutions to this problem. One is that you only follow what the "parent taxon" has to say. The other is indicating to the taxonomy nerds that their house is not in order.
It is probably safest for me to leave it to the boys.. In the mean time all these taxons are a reason for a good laugh.