Origin of the domestic dog as the Tibetan people. A population genetic analysis then showed a significant convergence between humans and dogs in Tibet. Like the Tibetan people, Tibetan mastiffs appear to have derived these benefits partially from the EPAS1 gene, acquired through introgression. In 2015, a study found that when dogs and their owners interact, extended eye contact (mutual gaze) increases oxytocin levels in both the dog and its owner. As oxytocin is known for its role in maternal bonding, it is considered likely that this effect has supported the coevolution of human-dog bonding. One observer has stated, "The dog could have arisen only
Small Greek Domestic Dog flat, and level on the front surface. The Small Greek Domestic Dog has strong jaws with scissor-bite teeth. The Small Greek Domestic Dog has an even temper and gentle disposition. They are lively, cheerful, amiable and not generally aggressive or timid. They enjoy company, and although they may initially be standoffish with strangers, they are easily won over. They are very intelligent and are easily trained and famously devoted to their owners. They are very loving and protective. They have a loud, strong bark for their size though they do not bark much. This is a deep-chested, sturdy and agile