I chose to do marine birds as my organisms because they can be found  feeding off of other organisms that inhabit rocky shores. Marine birds  don't get wet when they enter the water. They have a preening gland  which secretes waxes and fats over the feathers to "waterproof" the  bird. They also have salt glands in their body. This allows them to  drink salt water, and sneeze the salt of out the water so it doesn't go  into their body.
http://marinediscovery.arizona.edu/lessonsF00/gobies/2.html
 
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