During the mid-twentieth century, the Peruvian Booby population reached 3 million birds.

Peruvian Boobies breed throughout the year.

Its closest relative is the Peruvian Booby.

Peruvian Boobies clutch size varies from one to four eggs, but clutches of two or three eggs, pale blue in color, are usually found.

Peruvian Booby (Sula variegata)

Other important guano producing species off the coast of Peru are the Peruvian Pelican and the Peruvian Booby.

Johann Jakob von Tschudi describes the Peruvian Booby in Archiv für Naturgeschichte.

Many bird species can be seen in the islands including pelicans, penguins, cormorants, Peruvian boobies, and Inca terns, as well as sea lions, turtles, dolphins, and whales.

Meanwhile, none of the so-called guano birds - guanay cormorants, Peruvian boobies and brown pelicans whose excrement is harvested for fertilizer - bred at the 133-acre reserve in the course of El Nino.

The Peruvian Booby (Sula variegata) is an endemic bird of the Peruvian current whose distribution is restricted to the west coast of South America from Punta Pariñas (4.6 S) in Peru to Concepción in Chile.

Peruvian Booby (Sula variegata)

The Peruvian Booby (Sula variegata) is an endemic bird of the Peruvian current whose distribution is restricted to the west coast of South America from Punta Pariñas (4.6 S) in Peru to Concepción in Chile.