In 2026, researchers documented a cow named Veronika using different ends of a brush with flexibility and purpose, a level of tool use typically seen in primates.
For example, a general practitioner might prescribe fluoxetine for a dog with separation anxiety. But a veterinary behaviorist will consider the whole picture: concurrent pain, thyroid dysfunction (hypothyroidism causes aggression), diet (some preservatives affect seizure thresholds), and the household schedule. They write multi-modal plans involving medication, environmental enrichment, and counter-conditioning. In 2026, researchers documented a cow named Veronika