The Standard Rex is a breed of rabbit developed in France in 1919. It is known for its unusually soft coat of fur. Currently, Standard Rex Rabbits are most commonly kept as pets and show rabbits. Burke's Backyard notes that Rex rabbits are claimed to be one of the most intelligent breeds of rabbits. The Standard Rex Rabbit can be housed outdoors year-round in warmer climates as well as in cooler climates if the correct accommodations are made. It can be fed a combination of commercial rabbit pellets and oaten hay. Additionally, the Standard Rex tends to be a hardy breed with few health issues.