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Gull-billed Tern (Gelochelidon nilotica)    Gulls, Terns and Skimmers (Laridae)
Sandterne    Charrán Pico Grueso
Gull-billed Tern 2048    (2 photos)
2011-11-02   Topolobampo, Sinaloa (Sin), Mexico

Subspecies: vanrossemi
Adult in fresh basic plumage.


Gull-billed Tern 2022    (2 photos)
2012-04-21   El Tortugario - Estero Palo Verde, Cuyutlán, Colima (Col), Mexico

Subspecies: vanrossemi
Adult migrating. Completely fresh plumage.


Gull-billed Tern 2023    (2 photos)
2013-03-31   Salinas de Cuyutlán, Colima (Col), Mexico

Subspecies: vanrossemi
Adult bird in frish breeding plumage. The long angled hand, as seen in photo 1, gives associations toward a Least Tern...


Gull-billed Tern 2024    (1 photos)
2013-08-02   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult with fish. Beginning molt of head feathers.


Gull-billed Tern 2025    (1 photos)
2013-08-02   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult with beginning head molt. Notice again, the long hand when this i angled backward, a la Least Tern.


Gull-billed Tern 2026    (3 photos)
2013-08-02   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Silhouette photos of adult birds.


Gull-billed Tern 2027    (1 photos)
2013-08-02   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Juvenile bird. The reduced black area behind the eye and the dark reddish bill in combination with pale uniformly colored wings give associations toward a Mediterranean Gull.


Gull-billed Tern 2028    (1 photos)
2013-08-02   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Juvenile birds with Black Skimmers in the foreground, and lesser Yellowleg, Forster's Tern and American Coot in the background.


Gull-billed Tern 2020    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult feeding juvenile. The juveniles are more creme colored and have reddish base to bill. The adult is already beginning to molt the head feathers.


Gull-billed Tern 2021    (3 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult bird beginning molt of head feathers. Also rather worn remiges.


Gull-billed Tern 2029    (2 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Juvenile bird with the characteristic broad bill, dark with reddish base. The dark under hand reminds of Caspian Tern.


Gull-billed Tern 2030    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult with worn remiges and beginning head molt.


Gull-billed Tern 2031    (2 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Another adult with some primaries missing due to molt.


Gull-billed Tern 2032    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult only with beginning of molt on the head.


Gull-billed Tern 2033    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult with fish. Notice the deeply forked tail, which appears only when tail is hold together.


Gull-billed Tern 2034    (2 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult with fish. Looks like another one than 2033. Notice how different the tail looks just these two photos between.


Gull-billed Tern 2035    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult.


Gull-billed Tern 2036    (2 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Juvenile. Short backend, v-signs on the back and reddish bill. Counted 15 juveniles this day, and 20 adults.


Gull-billed Tern 2037    (2 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult.


Gull-billed Tern 2038    (2 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult out of proportions. With the tail blinded out by the light it almost gets a kingfisher-like expression.


Gull-billed Tern 2039    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult taking landing.


Gull-billed Tern 2040    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult.


Gull-billed Tern 2041    (2 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult. Unique among terns when you see the short thick black bill well.


Gull-billed Tern 2042    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Juvenile. Dark red base of bill, dark under hand and bright upper hand.


Gull-billed Tern 2043    (4 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult with juvenile.


Gull-billed Tern 2044    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult.


Gull-billed Tern 2045    (1 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Juvenile still with v-signs on the back.


Gull-billed Tern 2046    (4 photos)
2013-08-03   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult. Incredible how different the hand looks in the different photos.


Gull-billed Tern 2047    (1 photos)
2014-03-02   Valle de las Garzas (laguna), Manzanillo, Colima (Col), Mexico

Subspecies: vanrossemi
Adult in fresh plumage.


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