Are both Terceira Mastiff and Australian Cattle Dog Portuguese dog breads?
Terceira Mastiff The Terceira Mastiff (Portuguese: ] ) is a landrace Portuguese dog breed, also known as the Rabo Torto ("rabo"=tail, "torto"=curled/twisted). Neither the Fédération Cynologique Internationale nor the local Clube Português de Canicultura has officially recognized it. It is a remarkable ancestor to both the Cão Fila de São Miguel and the Fila Brasileiro . This breed is fully different from the Barbado da Terceira
Gran Mastín de Borínquen The Gran Mastín de Borinquen, also known as the Puerto Rican Mastiff, Mastín Borincano, Becerillo de Borinquen and Perro Barsino de Hacienda, is the only breed native to the island of Puerto Rico.