Gary Larsen knew all along - cows use tools!
See also
with less intrusive ads & crap.
From the first link:
“A paper published on 19 January in the journal Current Biology suggests that cattle may be more cognitively capable than previously thought.”
— I strongly suspect that a whole lot of species are more cognitively capable than previously thought.
That certainly seems likely.
A fun read about some of the history of that cartoon:
A group was formed in California called The Fellowship of the Unexplained, and they wrote in to Larson to ask him to explain the joke, noting that they, "The Cow Tools fellows have been brought together by an absolute certainty that your cartoon means something.”
https://www.cbr.com/far-side-cow-tools-confusion-gary-larson-letter/