Gannet/ˈɡænɪt/ Definition 1 of 2Pro Tip 1/3Bird Species Remember, not all sea birds are called gannets; it's a specific type. Those birds nesting on the cliff are gannets, not just any sea birds. Pro Tip 2/3Diving Technique Gannets are known for their high-speed dive into the sea. Look at the gannets dive; they are hunting fish. Pro Tip 3/3Natural Habitat Gannets are often found in the North Atlantic, not in all oceans. On my trip to Scotland, I saw gannets in their natural habitat.