Origin of the domestic dog or the result of natural introgression as the dog expanded across Eurasia. In 2018, a study found a small amount of dog ancestry in 62% of Eurasian wolf specimens looked at, that hybridization had occurred across a wide number of timescales and not just recently, however in contrast there was almost no admixture detected in the North American specimens. There was introgression of the male dog into the wolf, but also one hybrid detected which was the result of a male wolf crossed with a female dog. Wolves have maintained their phenotype differences from the dog, which indicates low-frequency hybridization.
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