Identification - It is the size of a crow. Breeding adults can be identified by their all-yellow bill (no red spot), gray back, completely black wingtips, and black legs. It is graceful in flight. Sexes are similar in appearance.
Morsels - Gulls can drink both fresh and salt water. They have a pair of salt glands that lie on the skull above each eye. The glands have thousands of salt-removing cells that extract the salt from the sea water. The concentrated salt solution is then evacuated through the gull's nostrils.