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Bridled Tern

(Onychoprion anaethetus)
Alternate name(s): "Brown-winged Tern", "Dog Tern"
Size: 30-32 cm; wing span ca. 75-80 cm
Weight: 95-150 g


Description     Classification     Distribution     Sightings     Photos     Breeding     Nest     Eggs     Behaviour     Food     Call/s

Physical description

Click here for a physical description

Taxonomy, classification

See Bridled Tern at Wikipedia .

Range, habitat

Click here for information on habitat and range


Click here for sighting information


Race "antarcticus"


Sex unknown

Lateral view of a Bridled Tern in flight
[Ras Al-Sawadi, May 2010]

Near-dorsal view and different phase of the wing beat of a Bridled Tern in flight
[Ras Al-Sawadi, May 2010]

Group of Bridled Terns in flight
[Ras Al-Sawadi, May 2010]

These Bridled Terns were seen by us hunting above shallow water, near Al-Sawadi island just a few hundred metres off-shore
[Ras Al-Sawadi, May 2010]

Race "anaethetus"

Photos of race "anaethetus", including nests and eggs, were taken by us in Australia.

Food, Diet

Like all terns, Bridled Terns feed on fish, which they catch with their bills just under the surface of water in a steep high-speed dive from considerable height.


For this species we have recorded the following call(s)/song. The interpretation of their meaning is our own; comments and suggestions for improvement are welcome.

bridtrn_jg_20160306.m4a anaethetus
? © JG
bridtrn_jg_20160306_2.m4a anaethetus
? © JG

More Bridled Tern sound recordings are available at .

These pages are largely based on our own observations and those of our contributors. The structure of these bird pages is explained HERE. For more salient facts on any bird species please refer to a field guide.

Would you like to contribute photos or sound recordings to this site?
If interested, please CLICK HERE. Credits to contributors are given HERE.