Kauaʻi Conservation Atlas

Kauaʻi record · kba_bird_lesser_frigatebird

Lesser Frigatebird

Fregata ariel

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Lesser Frigatebird — Adult male (left) · adult female (right)
Lesser Frigatebird — Adult male (left) · adult female (right) · OpenAI image generation including flattened footer; Atlas size exports · AI-generated artwork; no third-party photograph reproduced · Image source

About Lesser Frigatebird

Lesser Frigatebird (Fregata ariel) is recorded as a vagrant on Kauaʻi in the Bishop Museum's 2017 island checklist. This is a documented island occurrence, not a claim of an individual sighting in 2026.

Kauaʻi evidence

Bishop Museum island checklist (version 2, 2017) lists Kauaʻi status V: vagrant. See original island table. A Hawaiʻi-level record is available, but the species needs a documented Kauaʻi observation before local ecological conclusions are drawn.

Occurrence evidence

bishop_island_checklist_2017

Names and classification

Scientific name
Fregata ariel
Common names
Lesser Frigatebird
Family
Fregatidae
Order
Suliformes
Record type
Species

Kauaʻi occurrence and status

Kauaʻi occurrence
Kauaʻi documented: vagrant (2017 island checklist)
Origin
Indigenous
Conservation status
Not assessed
Evidence date
2026-09-13
Evidence limits
Island occurrence supported by the 2017 checklist; abundance and current year presence are not established here

Habitat and ecology

Habitats
Cliffs
Food and resource needs
Food and resources may include marine prey such as fish, squid, crustaceans, areas schooling prey, carrion, or kleptoparasitic food pathways depending on the seabird role
Reproduction
Suitable nesting or roosting sites, seasonal food, and protection from disturbance and predators.
Shelter
Shelter and structure within cliffs.

Threats and conservation

Threats
Predation at colonies, light fallout, powerline/collision mortality, fishery interaction, coastal disturbance, marine food-web change, and climate/ocean condition shifts
Conservation actions
Predator control, colony fencing where applicable, light reduction, fallout response, burrow/colony monitoring, fishery-risk mitigation, and protected nesting habitat
Monitoring
Document date, place, observer, habitat, behavior, and supporting media for any Kauaʻi observation.
Data gaps
Update island status with dated contemporary records · Specific Kauaʻi habitat and abundance need local evidence

Process and seasonal context

Seasonal description
Lesser Frigatebird (Fregata ariel) is recorded as a vagrant on Kauaʻi in the Bishop Museum's 2017 island checklist. This is a documented island occurrence, not a claim of an individual sighting in 2026.

Sources and further reading

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