Although there are a lot of information on the dog’s vision and its sense of smell and hearing is not very developed in comparison, but because of the harsh and dangerous living conditions, so that the visual organ of the Tibetan mastiff is also tempered by the relative.
Grasslands on the Tibetan mastiff can clearly identify the owner of 300 meters or living outside of the visual target can be achieved from 1 000 meters. Summer, in the boundless expanse of steppe on the way cattle and sheep, grazing the side of the side walk, in possession of a range of vision.
Once a cattle and sheep out of their own boundaries, Tibetan Mastiff will immediately be deported to, if there is hidden close to wild animals in the herd, possession of a fierce attack would not hesitate. Possession of a large wide head, broad vision, panoramic field of vision for the 250 ° - 290 °, the left and right monocular field of vision for the 125 ° ~ 145 °, above the horizon for the 50 ° - 70 °, below the horizon for the 30 ° - 60 °, on the front see most clearly the object.
When the Tibetan mastiff ranks in the hills, the Green Wave ripple grassland,of smoke curl upwards, free feed the cattle and sheep have a panoramic view. However, the vision Tibetan mastiff dogs cats and other similar, and its vision are color-blind.
The eyes of the Tibetan mastiff, colorful, colorful prairie in fact, only two colors black and white. Thus, possession of a degree to just rely on the difference between light and shade, or to identify objects, and moving objects more easily found. Difference is that possession of a strong dark vision, and their ability to prey at night.
Tibetan mastiff which are to be tethered during the day, the night patrol was open grassland, care of cattle and sheep or semi-wild hunting food is directly related to lifestyle.
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