Three Good Terns

We had the pleasure of observing three different varieties of Terns during our last visit to Florida. The largest of the group are the Caspian Terns, seen here in the first image. Besides their size, they can be distinguished from other terns by the mottled dark forehead. 

The Common Tern is much smaller and less colorful in its non-breeding months when its bill is black instead of red. 

In between the other two, size-wise, is the Royal Tern. They always seem to have a very modern hairdo!