Science Alert: Which Dog Breeds Are Most Sensitive to Pain? The Results Might Surprise You

 https://www.sciencealert.com/which-dog-breeds-are-most-sensitive-to-pain-the-results-might-surprise-you

Interesting finding, I thought that all dogs reacted similarly, but then humans vary in pain tolerance so why not other species. Animals can also hide their pain as a survival instinct. Cats definitely do, having seen my four cats going through cancer and other illnesses.