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  2. Why Does My Dog Bark at Nothing? A Trainer Explains the Truth

    www.aol.com/why-does-dog-bark-nothing-132000884.html

    Dogs are also dichromats, meaning they can only detect blue and yellow colors, while humans are trichromats and can detect blue, green, and red. This makes a dog’s color vision similar to people ...

  3. Understanding aggression in dogs: Warning signs, causes and ...

    www.aol.com/understanding-aggression-dogs...

    Dogs communicate in a variety of ways, including body language.Each tail wag, sleep position and bark is a communication method our furry friends use instead of words. Generally speaking, dogs ...

  4. Dog communication - Wikipedia

    en.wikipedia.org/wiki/Dog_communication

    Dogs gain social information by sniffing particular odors secreted from these areas. [39] Dogs can also gain information from anal secretions. All canines have two symmetric sacs on either side of the anal sphincter that produce anal secretions during defecation. These are important in marking territory and sending information about social status.

  5. 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.

  6. Blindness in animals - Wikipedia

    en.wikipedia.org/wiki/Blindness_in_animals

    Glaucoma is a progressive condition the eye causes damage to the optic nerve. [7] The damage to the optic nerve is usually caused by intraocular pressure [8] of the eye being elevated. Glaucoma can be seen in dogs, and less commonly, cats. Treatment [9] can be in the form of ocular medication, like prescription eye drops.

  7. Why Do Dogs Sleep So Much? Here's What the Experts Say - AOL

    www.aol.com/why-dogs-sleep-much-heres-113000342.html

    Dogs sleep for such a long time because that's when their body rests, resets, and heals, even if their awkward sleeping position implies otherwise. This is also when puppies do the most growing ...

  8. Bark (sound) - Wikipedia

    en.wikipedia.org/wiki/Bark_(sound)

    [4] [5] In contrast, dogs bark in many social situations, with acoustic communication in dogs being described as hypertrophic. [6] While wolf barks tend to be brief and isolated, dog barking is often repetitive. [7] One hypothesis for why dogs bark more than wolves is that dogs developed vocal communication as a result of their domestication. [7]

  9. How long does a dog get to bark before you can file a ... - AOL

    www.aol.com/news/long-dog-bark-file-noise...

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