When the polar vortex is strong, there is a single vortex with a jet stream that is well constrained near the polar front. When the northern vortex weakens, it separates into two or more vortices, the strongest of which are near Baffin Island, Canada and the other over northeast Siberia.
Home > Find an organization > Soi Dog Foundation USA (#9791) Soi Dog Foundation is a not-for-profit, legally registered charitable organization in Thailand, the United States, Australia, France and Holland. Soi Dog helps the homeless, neglected and abused dogs and cats of Thailand.
Some, such as Canis aegyptius, a hairless dog type of Peru, have been documented and registered as breeds (Peruvian Hairless Dog). There are only two categories (subspecies) of domestic dog, Canis lupus familiaris and C. l. dingo, recognized by the International Code of Zoological Nomenclature (ICZN Code).