Sealife guideThe red-footed boobySula sula

Taxonomy

Common name: Red-footed booby
French name: Fou à pieds rouges
Spanish name: Piquero de patas rojas
Scientific name: Sula sula (Linnaeus, 1766)
Family name: Sulidae
Order name: Pelecaniformes
Class name: The sea birds

Description

The red-footed booby typically lives for 22 years and reaches an average size of 28 inches but This species can grow up to 30 inches in length, with a wingspan of 3.3 feet and can reach a maximum weight of 2.2 pounds.

The red-footed booby is easy to identify by its bright red-colored feet © Natador | Dreamstime.com

The red-footed booby is easy to identify by its bright red-colored legs and feet. It is also distinguished by its pale blue bill and can exhibit several color variations: a brown, white or black-tailed white livery.

The brown livery features a brown body with a white belly and tail. The white one features a white with black flight feathers and finally the black-tailed white one features a black tail. Juveniles are typically brown or blackish-gray with a black bill and grey legs. While females and males look similar, females are generally larger and males may have longer tails.

Range

The red-footed booby is found throughout the tropical and subtropical regions of the Atlantic, Pacific and Indian oceans. It can be found on the island of Little Cayman, home to the largest colony in the Caribbean, the Galapagos islands, the Kiribati islands and the Hawaiian islands.

Habitat

The red-footed booby is a gregarious seabird species that gathers in large colonies during the breeding season, typically between late January and September in Genovesa and San Cristobal islands in the Galapagos archipelago.

Unlike other booby species, the red-footed booby builds its nest on top of shrubs or in small trees using twigs and sticks collected by the male. It has longer claws on its feet than other boobies, allowing it to grasp branches.

Diet

The red-footed booby eats mainly fish, especially flying fish, it spots from the air before diving to catch it but also squids it catches at night by diving among school of squids.

The red-footed booby is well suited to diving thanks to its elongated bill, streamlined body and long wings which it wraps around its body before entering the water.

Reproduction

During the breeding season, the male attracts the female with a courtship display called « sky-pointing » where the male throws his head back until his bill points toward the sky.

The female lays only one egg every 15 months which is incubated by both parents for around 45 days. After hatching, the young chicks will fledge at around three months old.

Did you know ?

Its english name « booby » comes from the spanish word « bobo », meaning foolish or clown, referring to its clumsy movement on land when they move around.

The red-footed booby is the smallest of all booby species.

The red-footed booby is a great traveler and can cover up to 90 miles when searching for food.

The red-footed booby is listed as many other marine species within The IUCN Red List of threatened species. The red-footed booby appears in the IUCN Red List since 2021 within the category Least Concern !

Within the same genus

Blue-footed booby
(Sula nebouxii)

Within the same family

Australasian gannet
(Morus serrator)

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