The grandchild of Somewhere a Palaeontologist Is Crying. Most animators are mammals, and they tend not to be careful with the research when it comes to non-mammals. So, for whatever reason, cartoon birds tend to be quite unlike anything seen in Real Life. Almost all generic small cartoon birds will behave like robins, hopping around on the lawn and eating worms. And they will appear as a Palette Swapped sparrow, often bright yellow or blue, with a yellow beak and legs. The grandchild trope of Somewhere a Palaeontologist Is Crying and sister trope of Raptor Attack.