Dogs’ brains began to shrink at least 5,000 years ago, study findsResearch offers insights into domestication of dogs but it remains unclear why they ended up with smaller brains than wolves It has long been known that dogs have less between their ears than wolves, but now research has suggested their brains started to get smaller at least 5,000 years ago. Experts sa...https://www.theguardian.com/science/2026/apr/29/dogs-brains-shrink-5000-years-ago#Evolution #Animals #Dogs #Science #Biology #TheGuardian(Tue, 28 Apr 2026 23:01:38 +0000)