Sulidae

Sulidae is a family of seabirds comprising gannets and boobies. Its members catch fish and squid by diving from the air into the water.

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Plunge-diving: A foraging method in which an animal dives into water from the air to catch prey. Sulids use this aerial dive to strike fish beneath the surface.
Gannet: A large seabird in the genus Morus, known for plunge-diving. Gannets are one of the two familiar groups within Sulidae.
Northern gannet: A large North Atlantic seabird, Morus bassanus, that nests in dense colonies. Its cliff and island colonies make this gannet a prominent example of Sulidae.
Suliformes: An order of waterbirds that includes Sulidae, cormorants, darters, and frigatebirds. Suliformes places gannets and boobies among their closest broad taxonomic relatives.
Seabird colony: A breeding aggregation of seabirds nesting close together in a shared area. Dense colonies are characteristic of many gannets and boobies.
Piscivory: A diet consisting primarily of fish. Fish are the principal prey that sulids pursue by diving.
Booby: A seabird in the genera Sula or Papasula, belonging to Sulidae. Boobies form the family's other principal group alongside gannets.
Blue-footed booby: A Pacific seabird, Sula nebouxii, recognized by its bright blue feet. Its conspicuous courtship display illustrates the diversity of booby behavior.
Sibley–Ahlquist taxonomy: A bird classification system based largely on DNA–DNA hybridization studies. Molecular classification helped reshape the placement of sulids among waterbirds.
Bycatch: The unintended capture of animals during fishing operations targeting other species. Fishing gear can injure or kill sulids that forage around fishing grounds.