This issue of Veterinary Clinics of North America: Exotic Animal Practice focuses on Field/Ambulatory Medicine, with topics including: The Ambulatory Exotic Animal Practice; Incorporating Ambulatory Medicine into a Brick and Mortar Practice; The Veterinary Technician in Ambulatory Exotic Animal Medicine; Aquatic Ambulatory Practice; Reptile and Ambphibian Ambulatory Practice; Avian Ambulatory Practice; Exotic Companion Animal Ambulatory Practice, including PBP and Llamas; The Ambulatory Zoo Animal Ambulatory Practice; Ambulatory Emergency Medicine; Ambulatory Surgery; USDA Regulated Facility Inspection; Legal issues in the Exotics Practice; and Sample collection for the Mobile Exotics Practitioner.