What are the major groups of sea birds?

I'm pretty sure that 'the bird of the sea' is a nickname for not a bird, but the Flying Fish.

Sea birds are adapted to live their lives on the seas and oceans of the world. This needs special adaptations to cope with salt water as most birds (including Gulls which are NOT sea birds) can only...

Flightless, Water, Song, and Perching

albatross

The major food groups are: Carbohydrates e.g. cereals, bread, potatoes Fruit and vegetables e.g. apples, cucumber Dairy e.g. yogurt, milk Fats e.g. butter, oil