And with the limits not only of ontologies, but of models in general. All models are wrong. Some are useful. As you pointed out, there is no such thing as a

And with the limits not only of ontologies, but of models in general. All models are wrong. Some are useful. As you pointed out, there is no such thing as a species in the real world -- it's just in the model that there's a species. The model has been so successful that, unfortunately, it's treated as "true" by many people, which means that 1) they don't understand its limitations, and 2) they don't work to improve it. +1, I'm glad you mentioned this.