Kot: Cats control the outer ear using 32 muscles; humans use 6

Evidence: 41 • authority: 92

How facial expressions reveal acute pain in domestic animals with facial pain scales as a diagnostic tool.. The growing interest in managing and recognizing pain in animals has led to the search for more sensitive methods to evaluate it, especially because some species conceal any visible changes associated with pain or are not easily assessed. Research has shown that an animal's facial expression changes when exposed to painful stimuli. Thus, developing several pain scales (grimace scales) in species such as horses, cattle, pigs, sheep, donkeys, rabbits, rats, mice, and cats has helped to improve the study of pain in veterinary medicine. The possibility of using facial expression as an ind…

Evidence: 31 • authority: 72

Evidence: 31 • authority: 92

Evidence: 31 • authority: 72

Cats communicate for a variety of reasons, including to show happiness, express anger, solicit attention, and observe potential prey. Additionally, they collaborate, play, and share resources. When cats communicate with humans, they do so to get what they need or want, such as food, water, attention, or play. As such, cat communication methods have been significantly altered by domestication. Studies have shown that domestic cats tend to meow much more than feral cats. They rarely meow to communicate with fellow cats or other animals. Cats can socialize with each other and are known to form "social ladders", where a dominant cat leads a few lesser cats. This is common in multi-cat household…

Evidence: — • authority: 38