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
Dwarf dog-faced bat Dwarf dog-faced bat The dwarf dog-faced bat ("Molossops temminckii"), is a bat species from South America. It is found in Argentina, Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, Paraguay and Uruguay. They are considered an abundant species, and are listed as a species of "least concern" on the IUCN Red List due to its wide distribution, presumed large population, and the unlikelihood of decline. The dwarf dog-faced bat is classified in the order Chiroptera and the family Molossidae with the other free-tailed bats. The genus "Molossops" encompasses 4 species of broad-faced bats including "M. temminckii." The species was named for Coenraad