What excrete excess salt through their?

The salt gland is an organ for excreting excess salts. It is found in elasmobranchs (sharks, rays, and skates), seabirds, and some reptiles. Sharks' glands are found in their rectum, birds' and reptiles' in or on the skull in the area of the eyes, nostrils or mouth.

1. aspect is nothing really because the answer is right in front of your face

As what he you go get the hot dog ; )