Yellow ant. Size is visible with Pheidole pallidula
This colony seemed to be the type that does not carry any host workers and instead spawn smaller workers
I heard from others that this pair of african grey parrots has been living around this location for quite a while now, but this was the first time I could clearly see them myself (I'm not much of a bird watcher). Judging from a post on X, they have been roaming around Heiloo at least since April. My assumption is that they either escaped or were set free by their (ex) owner.
I think they have befriended a pair of magpies, which you can see sitting in the same tree as the parrots in picture 7. Whenever the magpies flew to a different spot, the parrots quickly followed them
Photos show five different individuals taken from the same nest. While these workers are not very hairy for rufibarbis, the nPn for most of them would be rather extreme for cunicularia, so I'm pretty sure it should be rufibarbis.
fighting with F. pratensis queen (https://www.inaturalist.org/observations/199134830)