[order] Pelecaniformes | [family] Sulidae | [latin] Sula leucogaster | [IT] Sula fosca | [UK] Brown Booby | [FR] Fou brun | [DE] Weissbauchtolpel | [ES] Piquero Pardo | [NL] Bruine Gent | [SU]-
Subspecies
| Genus | Species | subspecies | Region | Range |
| Microcarbo | leucogaster | |||
| Sula | leucogaster | |||
| Sula | leucogaster | TrO | widespread | |
| Sula | leucogaster | brewsteri | coasts of w USA and w Mexico | |
| Sula | leucogaster | etesiaca | Pacific coasts of Central America and Colombia | |
| Sula | leucogaster | leucogaster | Caribbean and Atlantic Is. | |
| Sula | leucogaster | plotus | Red Sea through the Indian Ocean to the w and c Pacific |
Physical charateristics
The Brown Booby is a medium-large seabird characterized by dark brown coloration except on the breast, abdomen and underwing, which are white in the adult. Immatures are entirely dusky brown. Females are larger than males, but in the Virgin Islands sexes can be distinguished by bill color (pinkish-yellow in females, greenish-yellow in males) and vocalizations (females honk, males whistle). The genus Sula is from the Icelandic word
Sulan, meaning “an awkward fellow”. The name “booby” comes from the Spanish word bobo, which means “stupid fellow” referring to the bird
Sulan, meaning “an awkward fellow”. The name “booby” comes from the Spanish word bobo, which means “stupid fellow” referring to the bird
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