Confidently finding the left and right limbs of the in most patients is a common ultrasonographic goal. Pancreatic disease is quite common and diseases thereof can mimic the clinical signs of emergency surgical cases. The accurate identification of the pancreas is very dependent on properly identifying the duodenum in cats and dogs. There is considerable difference in the relative size (length) and location of the left pancreatic limb between cats and dogs. The normal ultrasonographic and CT characteristics of the pancreas are discussed. Diseases of the pancreas are discussed in a case-based format.