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In dogs, the ear canal has a "L" shape, with the vertical canal (first half) and the horizontal canal (deeper half, ending with the eardrum) The frequency range of dog hearing is between 16–40 Hz (compared to 20–70 Hz for humans) and up to 45–60 kHz (compared to 13–20 kHz for humans), which means that dogs can detect sounds beyond the ...
The sabre-tooth water deer of China is often called the vampire deer due to the exceptionally long canine teeth in the males. In many species the canine teeth in the upper or lower jaw, or in both jaws, are much larger in males than in females, where they are sometimes hidden or completely absent.
[10] The area around the enamel rod is known as interrod enamel. Interrod enamel has the same composition as enamel rod, however a histologic distinction is made between the two because crystallite orientation is different in each. [5] The border where the crystallites of enamel rods and crystallites of interrod enamel meet is called the rod ...
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Canine terminology in this article refers only to dog terminology, specialized terms describing the characteristics of various external parts of the domestic dog, as well as terms for structure, movement, and temperament. This terminology is not typically used for any of the wild species or subspecies of wild wolves, foxes, coyotes, dholes ...
Dogs can express a range of emotions based on movements of the teeth and lips. In an aggressive dog, the lips curl back to expose clenched teeth, which warns others of their ferocity. Conversely, an open mouth showing unclenched teeth indicates that a dog is in a playful or relaxed mood. [16]
A drawing by Konrad Lorenz showing facial expressions of a dog – a communication behavior. y-axis = fear, x-axis = aggression. Both humans and dogs are characterized by complex social lives with complex communication systems, but it is also possible that dogs, perhaps because of their reliance on humans for food, have evolved specialized skills for recognizing and interpreting human social ...
Garret Wing is a dog expert and owner of American Standard K9. He shares incredibly useful and helpful tips on his social media channels about any and all things related to dogs.