Diagram of cow showing its four stomachs
![](https://lizzieharper.co.uk/wp-content/uploads/2021/05/Cow-with-four-stomachs-diagram-500x316.jpg)
Diagram line drawing of cow showing its four stomachs
Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)
Diagram line drawing of cow showing its four stomachs
Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books)