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 Small Greek Domestic Dog Kokoni () is the name used for the Greek small domestic dog breed. They are widely found in Greece, have traditionally been more common in urban areas and were a popular companion of Greeks for centuries. The name "Kokoni" probably derives from the word κοκόνα "kokona" which is another word for daughter in Modern Greek. In past times the daughter's life was mostly in and around the house, so the Kokoni dog was the "daughter's dog" or the "dog for the house", unlike the hunting dogs or the livestock guardian dogs. In some places in Greece