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  2. Why do dogs sleep so much? Understanding your pet's sleep ...

    www.aol.com/why-dogs-sleep-much-understanding...

    Senior dogs need more sleep as well since it helps "their bodies recover from daily activities." Other factors that can contribute to your dog's sleeping habits include environment, health issues ...

  3. Is it normal for a dog to sleep all day? - AOL

    www.aol.com/normal-dog-sleep-day-051535250.html

    Why do dogs need so much sleep? During a typical night, adult humans spend around 20-25% of their total sleep in REM (Rapid Eye Movement) stage, a percentage that is even higher in infants and ...

  4. Dog intelligence - Wikipedia

    en.wikipedia.org/wiki/Dog_intelligence

    Dogs show human-like social cognition in various ways. [9] [10] [32] For example, dogs can react appropriately to human body language such as gesturing and pointing, and they also understand human voice commands. [33] In one study, puppies were presented with a box, and shown that, when a handler pressed a lever, a ball would roll out of the box.

  5. Tinbergen's four questions - Wikipedia

    en.wikipedia.org/wiki/Tinbergen's_four_questions

    How vs. why questions: Proximate view How an individual organism's structures function Ontogeny (development) Developmental explanations for changes in individuals, from DNA to their current form Mechanism (causation) Mechanistic explanations for how an organism's structures work Ultimate (evolutionary) view

  6. Dog - Wikipedia

    en.wikipedia.org/wiki/Dog

    Health benefits of dogs can result from contact with dogs in general, not solely from having dogs as pets. For example, when in a pet dog's presence, people show reductions in cardiovascular, behavioral, and psychological indicators of anxiety [266] and are exposed to immune-stimulating microorganisms, which can protect against allergies and ...

  7. 32 reasons why dogs are better than humans (and we know you ...

    www.aol.com/lifestyle/32-reasons-why-dogs-better...

    Honestly, we could name more than 32 but these are our top reasons why dogs are better than humans. When it comes to companionship, dogs have a way of stealing the spotlight. While humans can be ...

  8. Dog behavior - Wikipedia

    en.wikipedia.org/wiki/Dog_behavior

    A drawing by Konrad Lorenz showing facial expressions of a dog - a communication behavior. X-axis is aggression, y-axis is fear. Dog behavior is the internally coordinated responses of individuals or groups of domestic dogs to internal and external stimuli. [1] It has been shaped by millennia of contact with humans and their lifestyles.

  9. Why do dogs have tails? - AOL

    www.aol.com/why-dogs-tails-110012558.html

    "For example, submissive dogs will keep their tails down to reduce their scent and keep a low profile. Dominant dogs will carry their tail up high to let everyone know they are there. Emotions can ...