Gulf Coast Veterinary Specialists in Houston, Texas, is one of America's busiest animal hospitals, with a staff that treats more than 50,000 patients annually. `Animal ER' brings cameras inside the facility to show viewers what goes on as the veterinarians and other staffers treat their beastly patients. The animals that are treated range from typical pets like dogs and cats to more exotic creatures like chimps and pythons.The staff use state-of-the-art technology while working in such disciplines as surgery, internal medicine, oncology, dentistry and dermatology.The partners at GCVS include orthopaedic surgeon Dr Brian Beale, who performs 10-20 surgeries per week, and surgeon Dr Heidi Hottinger, who has done everything from removing cancerous tumours to performing amputations.