🐦

Bridled Tern

Onychoprion anaethetus

Least Concern
Wingspan
54.7 cm
Weight
129.13333333333333 g
Family
Laridae
Order
Charadriiformes
On this page

About

Bridled Tern, 30–32 cm, breeds on tropical islands across the Indo-Pacific and Atlantic. Dark brownish-black above with a white forehead stripe extending behind the eye — the diagnostic 'bridle'. Pelagic outside breeding; piscivore, takes fish and squid at the surface.

Physical Description

Measurement Value Imperial
Wingspan 54.7 cm 21.5 in
Weight 129.13333333333333 g 4.56 oz

Habitat & Range

Conservation Status

Least Concern
IUCN Red List

Behavior & Breeding

Nesting

Incubation: 28-30 days. Fledging: 50-65 days.

Clutch Size

1

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Aves
Order Charadriiformes (Shorebirds & Gulls)
Family Laridae (Gulls & Terns)
Genus Onychoprion
Species Onychoprion anaethetus

Distribution

Bridled Tern has been recorded in 7 countries.

{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}
Present Not recorded
{# Simplified country/region shapes — major landmasses with ISO alpha-2 data attributes. These are simplified polygon representations for visual distribution display. #}

countries highlighted

External Databases

Frequently Asked Questions

Is the Bridled Tern endangered?
The Bridled Tern has a conservation status of Least Concern.
How does the Bridled Tern nest?
Incubation: 28-30 days. Fledging: 50-65 days.
How big is the Bridled Tern?
The Bridled Tern has a wingspan of 54.7 cm, weight of 129.13333333333333 g.
What order and family does the Bridled Tern belong to?
The Bridled Tern (Onychoprion anaethetus) belongs to the order Charadriiformes and the family Laridae.

Similar Birds

Other species in the Laridae family

Compare

Explore More

Explore the Nature FYI Family