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10

Sandwich Tern

(Thalasseus sandvicensis)
German name(s): "Brandseeschwalbe"
Size: 37-43 cm; wing span 85-97 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 Sandwich Tern at Wikipedia .

Click here for classification information

Range, habitat, finding this species

Click here for information on habitat and range

Sightings

Click here for sighting information

Photos

ADULT

Sex unknown

BREEDING

Near-frontal view of a Sandwich Tern in breeding plumage, right, and another in eclipse, left (photo courtesy of J. Pires)
[Lagoa de Albufeira, near Sesimbra, Setubal, Portugal, May 2019]

Near-frontal view of a Sandwich Tern in breeding plumage in comparison with a Great Cormorant (photo courtesy of J. Pires)
[Lagoa de Albufeira, near Sesimbra, Setubal, Portugal, May 2019]

Distant near-lateral view of a Sandwich Tern in breeding plumage in flight, wings up (photo courtesy of J. Pires)
[Cabo Raso, Cascais, near Lisbon, Portugal, May 2019]

Distant near-lateral view of a Sandwich Tern in breeding plumage in flight, wings down (photo courtesy of J. Pires)
[Cabo Raso, Cascais, near Lisbon, Portugal, May 2019]

Distant lateral view of a Sandwich Tern in breeding plumage in flight, wings up (photo courtesy of J. Pires)
[Cabo Raso, Cascais, near Lisbon, Portugal, May 2019]

Distant lateral view of a Sandwich Tern in breeding plumage in flight, wings up - note the yellowish tip of the bill
(photo courtesy of J. Pires)
[Cabo Raso, Cascais, near Lisbon, Portugal, May 2019]

Distant lateral view of a Sandwich Tern in breeding plumage in flight, wings down - note the yellowish tip of the bill
(photo courtesy of J. Pires)
[Cabo Raso, Cascais, near Lisbon, Portugal, May 2019]

Near-dorsal/ventral view of a Sandwich Tern in breeding plumage in flight (photo courtesy of J. Pires)
[Lagoa de Albufeira, near Sesimbra, Setubal, Portugal, May 2019]

NON-BREEDING

Near-frontal view of a Sandwich Tern in eclipse, left, and another in breeding plumage, right (photo courtesy of J. Pires)
[Lagoa de Albufeira, near Sesimbra, Setubal, Portugal, May 2019]

Near-dorsal view of a Sandwich Tern in non-breeding plumage (photo courtesy of J. Pires)
[Lagoa de Albufeira, near Sesimbra, Setubal, Portugal, May 2019]

Frontal view of a Sandwich Tern in non-breeding plumage in flight (photo courtesy of J. Pires)
[Montijo, Tejo estuary, Portugal, August 2019]

Near-frontal view of a Sandwich Tern in non-breeding plumage in flight; note the deeply forked tail (photo courtesy of J. Pires)
[Montijo, Tejo estuary, Portugal, August 2019]

Near-lateral view of a Sandwich Tern in non-breeding plumage in flight (photo courtesy of J. Pires)
[Montijo, Tejo estuary, Portugal, August 2019]

Near-lateral view of a Sandwich Tern in non-breeding plumage in flight (photo courtesy of J. Pires)
[Montijo, Tejo estuary, Portugal, August 2019]

Lateral view onto the upperparts of a Sandwich Tern in non-breeding plumage in flight (photo courtesy of J. Pires)
[Montijo, Tejo estuary, Portugal, August 2019]

Lateral/ventral view of a Sandwich Tern in non-breeding plumage in flight (photo courtesy of J. Pires)
[Montijo, Tejo estuary, Portugal, August 2019]

Near-dorsal/ventral view of a Sandwich Tern in non-breeding plumage in flight (photo courtesy of J. Pires)
[Tejo estuary, Portugal, March 2016]

IMMATURE/JUVENILE

Lateral view of a first-winter Sandwich Tern in flight (photo courtesy of J. Pires)
[Fishing port of Sagres, Algarve, Portugal, October 2019]

Near-dorsal view of a first-winter Sandwich Tern in flight (photo courtesy of J. Pires)
[Fishing port of Sagres, Algarve, Portugal, October 2019]

Dorsal view of a first-winter Sandwich Tern hovering in flight (photo courtesy of J. Pires)
[Fishing port of Sagres, Algarve, Portugal, October 2019]

More photos of Sandwich Terns were taken by us in Oman.

Behaviour

Lateral view of Sandwich Terns in breeding plumage flying into the wind while hunting in coastal waters
(photo courtesy of J. Pires)
[Cabo Raso, Cascais, near Lisbon, Portugal, May 2019]

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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