DIVING SEABIRD is a term used to describe four different species of birds that are known for their ability to dive underwater in search of food. The first species is the TERN, which is a small seabird with a long, pointed beak and long wings. The second species is the PETREL, which is a medium-sized seabird with a short, hooked beak and long wings. The third species is the CORMORANT, which is a large seabird with a long, hooked beak and webbed feet. Finally, the fourth species is the AUK, which is a small seabird with a short, pointed beak and short wings. All four species are found in coastal areas around the world and are known for their diving abilities.