White-bellied Storm-Petrel
Fregetta grallaria
Southern Storm-Petrels (Oceanitidae) · Procellariiformes (Procellariiformes)
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Spesso confuso con
Nei quiz i giocatori confondono più spesso White-bellied Storm-Petrel con questi uccelli: o questa specie è stata scelta per errore, o il contrario.
| Specie | Confusioni |
|---|---|
| Gray-backed Storm-Petrel Garrodia nereis | 2 |
| White-faced Storm-Petrel Pelagodroma marina | 2 |
| New Zealand Storm-Petrel Fregetta maoriana | 2 |
| Black-bellied Storm-Petrel Fregetta tropica | 1 |
Famiglia
Austral storm petrels, or southern storm petrels, are seabirds in the family Oceanitidae, part of the order Procellariiformes. These smallest of seabirds feed on planktonic crustaceans and small fish picked from the surface, typically while hovering. Their flight is fluttering and sometimes bat-like.
Ordine
Procellariiformes is an order of seabirds that comprises four families; the albatrosses, the petrels and shearwaters, and two families of storm petrels. Formerly called Tubinares and still called tubenoses in English, Procellariiformes are often referred to collectively as the petrels, a term that has been applied to all members of the order, or more commonly all the families except the albatrosses. They are almost exclusively pelagic (feeding in the open ocean), and have a cosmopolitan distribution across the world's oceans, …