Sergio Bitran M:
Elegant tern. GAVIOTIN ELEGANTE (Thalasseus elegans),
Sergio Bitran M:
White-winged Tern. Fumarel aliblanco. Chlidonias leucopterus
Sergio Bitran M:
Forster's tern. Charran de Forster. Sterna forsteri.
Sergio Bitran M:
Royal Tern. Charran real. Thalasseus maximus.
Sergio Bitran M:
Yellow-billed tern, Charrancito amazónico, Gaviotin fluvial, Sternula superciliaris.
Sergio Bitran M:
Large billed tern, Gaviotin ati, Charran pico grueso, Phaetusa simplex.
Sergio Bitran M:
Gaviotín de Sudamérica, Charrán sudamericano (Sterna hirundinacea). South American tern.
Sergio Bitran M:
Sandwich tern.. Gaviotin de Sandwich (Thalasseus sandvicensis).
Sergio Bitran M:
Sandwich tern.. Gaviotin de Sandwich (Thalasseus sandvicensis).
Sergio Bitran M:
Sandwich tern.. Gaviotin de Sandwich (Thalasseus sandvicensis).
Sergio Bitran M:
Inca tern. Gaviotín Monja Juvenil, (Larosterna inca).
Sergio Bitran M:
Inca tern. Gaviotín Monja Juvenil, (Larosterna inca).
Sergio Bitran M:
Inca tern. Gaviotín Monja Juvenil, (Larosterna inca).
Sergio Bitran M:
Snowy-crowned tern. Gaviotin Piquerito, Sterna trudeaui. .
Sergio Bitran M:
Snowy-crowned tern. Gaviotin Piquerito, Sterna trudeaui. .
Sergio Bitran M:
Snowy-crowned tern. Gaviotin Piquerito, Sterna trudeaui. .
Sergio Bitran M:
CASPIAN TERN, Sterna caspian
Sergio Bitran M:
CASPIAN TERN, Sterna caspian
Sergio Bitran M:
Elegant tern. GAVIOTIN ELEGANTE (Thalasseus elegans),
Sergio Bitran M:
Elegant tern. GAVIOTIN ELEGANTE (Thalasseus elegans),
Sergio Bitran M:
Elegant tern. GAVIOTIN ELEGANTE (Thalasseus elegans),
Sergio Bitran M:
Elegant tern. GAVIOTIN ELEGANTE (Thalasseus elegans),
Sergio Bitran M:
Gull-billed Tern (Gull-billed). Pagaza piconegra. Gelochelidon nilotica.