The Family Hydrobatidae, commonly known as northern storm-petrels, comprises small seabirds found across the world’s oceans. They are highly pelagic, spending most of their lives at sea and coming to land only to breed in colonies on remote islands or coastal cliffs. Hydrobatids are characterized by their tiny size, forked tails, and long wings, which allow them to hover and “flutter” over the water surface while feeding on plankton, small fish, and squid. They are nocturnal at breeding sites to avoid predators and exhibit strong site fidelity, often returning to the same burrows or crevices each year. These birds play important ecological roles as marine predators and indicators of ocean health.