Masked Booby

Sula dactylatra

Order

PELECANIFORMES

Family

Boobies and Gannets (Sulidae)

Code 4

MABO

Code 6

SULDAC

ITIS

ILLUSTRATION

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PHOTOS

CONSERVATION STATUS

Least Concern

The Masked Booby has a large breeding range, estimated globally at 50,000 to 100,000 square kilometers. Native to Australia, the Americas and Asia, this bird prefers neritic, oceanic and coastal marine ecosystems. The global population of this bird is estimated at 200,000 individuals and does not show signs of significant decline that would necessitate inclusion on the IUCN Red List. For this reason, the current evaluation status of the Masked Booby is Least Concern.

IBIRD EXPLORER GENERAL

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PHOTO SHARING AND DISCUSSION

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BIRD PHOTOGRAPHY

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SUMMARY

Overview

Masked Booby: This large seabird has a white body, black trailing edge on the wings, and a pointed black tail. The head has black mask and a long pointed yellow bill. The legs and feet are yellow-gray. It plunge dives from 40 feet for small squid and flying fish. It alternates strong rapid wing beats with glides. Sexes are similar, but the female is larger.

 

Range and Habitat

Masked Booby: This species breeds in Bahamas and throughout the West Indies, and on other islands in tropical Atlantic, Indian, and Pacific oceans. It is a rare visitor to coasts of Florida, Louisiana, and Texas, and in the Gulf Stream to the Carolinas. It is pelagic, only coming ashore during breeding season.

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Masked Booby SONGS AND CALLS

Masked Booby QQ1

Fledgling calling from shore.

Similar Sounding


Voice Text

Generally silent

INTERESTING FACTS

  • The masked booby is the largest of the booby family.
  • They lack a brood patch and instead incubates with their feet.
  • Although it often lays two eggs, it never raises two young. The first egg is laid four to nine days before the second, and the older chick always ejects the second from the nest.
  • A group of boobies are collectively known as a "congress", "hatch", and "trap" of boobies.

SIMILAR BIRDS

RANGE MAP NORTH AMERICA

About this North America Map

This map shows how this species is distributed across North America.

RANGE MAP HAWAII

About this Hawaii Map

This map shows how this species is distributed across the Hawaiian island.

RANGE MAP PALAU

About this Palau Map

This map shows how this species is distributed across the Palau islands.

FAMILY DESCRIPTION

TERMINOLOGY

CREDITS

Author

Artist

Yury Lisyak

HELP ME IDENTIFY A BIRD

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BACKYARD BIRDING

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BIRDS AND BIRDING

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PelagicX
The pelagic is a type of bird whose habitat is on the open ocean rather than in a coastal region or on inland bodies of water (lakes, rivers). An example of a pelagic bird is the blacklegged kittiwake.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X