
The European Storm Petrel, hydrobates pelagicus, is the smallest seabird in the European waters, distinguished by its fluttering flight pattern and the habit of pattering on the water's surface. Adults typically measure 15 to 16 cm in length, with a wingspan of 36 to 39 cm, and weigh around 25 to 30 grams. Their plumage is predominantly black, with a distinctive white rump and a square-tailed silhouette. Despite their small size, they are known for their hardiness and ability to navigate through stormy weather, earning them the name 'storm petrel.'

| Population: | Listed as Least Concern, but some populations are threatened by specific local issues |
| Generation Length: | 6 years |
| Average Weight: | 20-30 grams |
| Average Length: | 14-18 cm |
| Lifespan: | 20 years or more in the wild |
| Diet: | Piscivorous and planktivorous, feeding on marine invertebrates and small fish |
| Conservation Status: | Least Concern (LC) |
European Storm Petrels are pelagic, spending the majority of their lives at sea, only coming ashore to breed. They inhabit the North Atlantic Ocean, from the coasts of Europe to western Africa, favoring open ocean away from the continental shelf. These birds are highly adapted to a life spent on the wing, with their feet positioned far back on their body, aiding in their unique flight but making them awkward on land.
The diet of the European Storm Petrel consists mainly of planktonic crustaceans, small fish, and squid, which they pick from the ocean's surface at night. They are known to follow ships and use the cover of darkness to feed on the small organisms disturbed by the ship's passage, showcasing their opportunistic feeding habits.
Reproduction for the European Storm Petrel involves nesting in colonies on remote islands, where they lay a single white egg in burrows or crevices among rocks. Both parents share the responsibility of incubation, which lasts about 40 to 60 days. The nocturnal habits of these birds continue into their breeding cycle, with adults only visiting the nests under the cover of darkness to avoid predation.
The population of the European Storm Petrel is considered stable, though they face threats from introduced predators on breeding islands, pollution, and climate change, which can affect their food supply. Conservation efforts focus on protecting their breeding sites, controlling invasive species on these islands, and monitoring population trends to ensure the sustainability of this remarkable seabird species.
Flying, fluttering over water
Colonial, especially during breeding season
Capable of swift and agile flight
Carnivore
Open ocean and coastal areas, breeding on islands and coastal cliffs
Migratory, with wintering areas largely at sea
Breeds on islands and coasts of Europe, migrating to the Atlantic and Mediterranean
Prefers marine environments, from temperate to subpolar regions
Larger birds, rats, and cats on breeding islands
Small marine organisms
Feeds on small fish, squid, and plankton, often picking prey from the sea surface
Piscivorous and planktivorous, feeding on marine invertebrates and small fish
Monogamous
Usually one egg
40-60 days
The European Storm Petrel is the smallest seabird in Europe, weighing only around 25 grams.
These birds have an incredible sense of smell, which they use to locate food over vast ocean distances. They feed on small fish and plankton, often following ships to scavenge for scraps. Known for their fluttering flight, they are a common sight in rough seas.



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