The Labrador Retriever is a loving, patient dog.  They love to play.  Lab retrievers are energetic dogs and are delighted to work and play hard.  They live for about 10-12 years.
	The German Shepherd is  police dog.  It is very loyal.  They are also known as the Alsatian.  They are very strong  German Shepherds are very intelligent and love a great challenge.
		The Golden Retriever is a very common pet.  It has a silky golden coat.  They are well-mannered and intelligent.  Golden Retrievers love to swim.  It likes to retrieve toys.  They live from 10-12 years.
	The Pit-bull is the fiercest dog of them all.  It is very powerful.  They have a brick-like head which is especially broad between the cheeks.  They need plenty of exercise.  They live for about 12 years.
		The Rottwieler has a massive, powerful body.  It is calm and trainable.  Rottwielers need plenty of exercise.  They have a smooth, glossy coat.  They live for about 10-12 years.
	The Black Lab is similar to the Lab Retriever.  This dog has black fur.  Black Labs were originally used as fishing dogs.  They have a smooth, short-haired double coat that is easy to groom.  They live for about 10-12 years old.