Reacción a "It is demonstrated for the first time that a cow can use tools"

What do you think of the article overall? Is it of good quality?

"The study not only relies on observational data for Veronika's tool use, but it goes beyond that and experimentally manipulates the setting to assess the specific characteristics of Veronika’s tool use".

How does it fit with existing evidence and what new information does it offer? What implications might it have?

An increasing number of cases of tool use in the animal kingdom are being reported, and recent research has also demonstrated that several farm animal species possess a rich cognitive repertoire. That we are still surprised when cows—or other farm animal species—exhibit such abilities says maybe as much about our perceptions of these species as it says about the animals’ behaviour itself.

Are there any important limitations to consider?

It's on a sample size of one subject, so the study can only tell us something about general capacity, rather than prevalence, and  I would fairly state that we lack data to make broader claims on this behaviour. Still, it is a fascinating finding! The authors already mention that they want to look at potential developmental factors that might foster this behaviour, and I am looking very much forward to this work.