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A sun dog (or sundog) or mock sun, also called a parhelion [1] (plural parhelia) in atmospheric science, is an atmospheric optical phenomenon that consists of a bright spot to one or both sides of the Sun. Two sun dogs often flank the Sun within a 22° halo.
Dexter (also known as Dexter exchange or collisional energy transfer, colloquially known as Dexter Energy Transfer) is another dynamic quenching mechanism. [12] Dexter electron transfer is a short-range phenomenon that falls off exponentially with distance (proportional to e −kR where k is a constant that is the inverse of the sum of both van der Waals radius of the atom over 2 [13]) and ...
Cropped ear: Shaped by cutting; see cropping. Drop ear: An ear that folds and droops close to the head, such as the little known Blue Lacy. Also called a pendant ear. Natural: Like a wolf's. Prick ear: Erect and pointed; also called pricked or erect. Rose ear: A very small drop ear that folds back; as in the greyhound or bulldog.
Made for dogs: All vets we spoke with say it’s crucial to use something made for dogs in your pet’s ear. Ear cleaning solutions for humans may be too harsh or not properly clean your pet’s ears.
In zoology, a crepuscular animal is one that is active primarily during the twilight period, [1] being matutinal, vespertine/vespertinal, or both. This is distinguished from diurnal and nocturnal behavior, where an animal is active during the hours of daytime and of night, respectively.
Historically, cropping was performed on working dogs as it was believed it would decrease the risk of health complications, such as ear infections or hematomas.Crops were also performed on dogs that might need to fight, either while hunting animals that might fight back or while defending livestock herds from predators, or because they were used for pit-fighting sports such as dog fighting or ...
Dogs' ability to move their ears is different among each breed. In addition, some ears move very little if they are artificially altered or cropped by humans. [4] Ears erect or slightly forward – signals attention or alertness. [1]: 130 Ears pulled back flat against the head, teeth bared – signals an anxious dog that will defend itself.
Signs of ear infection include shaking of the head, and scratching at or under the ear. Some animals may also paw the ear or try to rub it on other objects to relieve pain and discomfort. Ear infections often result in a darker red ear, dirt in the ear, or a general inflamed appearance. Chronic allergic otitis externa in a dog with atopic ...