Blue-footed Booby

Blue-footed Booby

Sula nebouxii

Least Concern

Known for their striking blue feet, the Blue-footed Booby is a charismatic seabird that calls the tropical eastern Pacific home. These distinctive birds, often found in large colonies, dive from the air into the sea to catch their fish and squid prey, providing a spectacular sight for birdwatchers and wildlife enthusiasts alike.

Appearance and Identification

Males and females have similar plumage

Primary Color


Primary Color (juvenile)


Secondary Colors

White, Blue

Secondary Colors (female)

Secondary Colors (juvenile)

White, Black

Secondary Colors (seasonal)

Wing Color


Wing Color (juvenile)


Beak Type


Beak Color


Beak Color (juvenile)


Leg Color


Leg Color (juvenile)


Distinctive Markings

Blue feet, white belly

Distinctive Markings (juvenile)

Less pronounced than adults

Tail Description

Long and pointed

Tail Description (juvenile)

Less pointed

Size Metrics

70cm to 90cm


150cm to 160cm


1.5kg to 2.2kg



Click on an image below to see the full-size version

Vocalization and Sounds

Primary Calls

Distinctive whistle

Call Description

Series of whistles and squawks

Alarm Calls

Loud, harsh squawk

Behavior and Social Structure

Daily Activities

Forages for food during the day

Social Habits

Colonial, often found in large groups

Territorial Behavior

Males display to defend territories

Migratory Patterns

Non-migratory, but can travel long distances for food

Interaction with Other Species

Interacts with other members of its species in colonies


Primary Diet

Fish, Squid

Feeding Habits

Dives from the air into the water to catch prey

Feeding Times

Throughout the day

Prey Capture Method

Plunge diving

Diet Variations

Depends on availability of prey

Special Dietary Needs (if any)

None known


Nesting Location

Bare ground on islands

Nest Construction

Scrape in the ground

Breeding Season

Varies depending on location

Number of clutches (per breeding season)


Egg Appearance

Pale blue eggs, weighing around 80g

Egg Size

Approximately 5cm x 7cm

Clutch Characteristics

1-3 eggs

Incubation Period

Around 41-45 days

Fledgling Period

Approximately 3 months

Parental Care

Both parents incubate eggs and feed chicks

Distribution and Habitat

Geographic Range

Tropical eastern Pacific, from Gulf of California to Peru

Habitat Description

Coastal and marine environments

Elevation Range

Sea level

Migration Patterns

Non-migratory, but can travel long distances for food


Marine, Coastal

Climate zones


Distribution Map

Please note, this range and distribution map is a high-level overview, and doesn't break down into specific regions and areas of the countries.

© 2024 - Birdfact