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10

Aleutian Tern

(Onychoprion aleuticus)
Size: 32-34 cm

Similar species

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

Physical description

Click here for a physical description

Taxonomy, classification

See Aleutian Tern at Wikipedia .

Range, habitat, finding this species

Click here for information on habitat and range

Sightings

Click here for sighting information

Photos

ADULT

NON-BREEDING

Near-frontal view of an Aleutian Tern in non-breeding plumage, right, with Little Terns, centre and left, and Common Terns, back, for comparison (photo courtesy of B. Hensen)
[Farquhar Inlet, Old Bar, NSW, February 2018]

Near-lateral view of an Aleutian Tern in non-breeding plumage, right, with a juvenile bird, left, on a sand bar; for comparison, the two birds at the centre are Red-necked Stints (photo courtesy of M. Roderick)
[Farquhar Inlet, Old Bar, NSW, December 2017]

Lateral view of an Aleutian Tern in non-breeding plumage; click on image to see Little Terns and Common Terns for comparison (photo courtesy of B. Hensen)
[Farquhar Inlet, Old Bar, NSW, February 2018]

Two Aleutian Terns in non-breeding plumage, front right, with Little Terns and Common Terns for comparison
(photo courtesy of B. Hensen)
[Farquhar Inlet, Old Bar, NSW, February 2018]

Lateral view of an Aleutian Tern in non-breeding plumage in flight; note the characteristic dark trailing edge on the inner wing - this, combined with the shape of the bill, the shape of the grey area on the back of the head and the forked tail [not visible here] characterize the species (photo courtesy of M. Roderick)
[Farquhar Inlet, Old Bar, NSW, December 2017]

Aleutian Tern, top, and Little Tern, bottom, both in non-breeding plumage, in flight (photo courtesy of M. Roderick)
[Farquhar Inlet, Old Bar, NSW, December 2017]

IMMATURE/JUVENILE

Near-lateral view of an Aleutian Tern in non-breeding plumage, right, with a juvenile bird, left, on a sand bar
(photo courtesy of M. Roderick)
[Farquhar Inlet, Old Bar, NSW, December 2017]

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.

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