Boxer dogs came to the U.S in 1903. They are originally a German dog.       Male dog weighs about 30 pounds. Female boxers weigh about 28 pounds. The males have a deep chest and a square build. Boxers are mostly tan and black. They have different gloves on their paws.   Boxer dogs make splendid pets. They lock onto things with their teeth. You have to put them in a bathtub. You have to build a dog house. They have been in the U.S since 1903.