Any of several tropical sea birds of the genus Sula, resembling and related to the gannets. The Galapagos Islands population includes about half of all breeding pairs of blue-footed boobies (Sula nebouxii). During the mating season, male blue-footed boobies strut around with exaggerated movements that show off their fabulous blue feet. Females tend to pick the males with the bluest feet as their mates. Blue-footed boobies then also use their webbed feet to cover their young and keep them warm. They often fly far out to sea to look for their prey—small fish such as anchovies. The birds either zip underwater for fish from a floating position on the water's surface or make awesome dives from as high as 80 feet (24 meters). Once it spots a school of fish, the bird folds its wings back, becoming a streamlined, torpedo-shaped predator. The booby dives into the water among the school of fish, using its long beak to grab dinner.
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