Tiger salamanders' markings are variable throughout their extensive range, but the most common marking resembles the vertically striped pattern of their mammalian namesake.
All are air-breathing, warm-blooded mammals that nurse their young. The difference between a dolphin and a porpoise has to do with their appearance: dolphins have longer snouts, bigger mouths, more curved dorsal fins, and longer, leaner bodies than porpoises. 1  Share on Facebook.  Tweet on Twitter.
Although some people think dolphins and porpoises are basically the same, you might be surprised to learn they are quite different creatures. If you havenât seen them nose to nose, then it can be difficult to tell the difference between dolphins and porpoises.