Reserva Ecológica Costanera Sur

Sitio realizado por aficionados a la observación de aves desde 10 de enero 2006

Snowy-crowned Tern - Sterna trudeaui

Order: Charadriiformes - Family: Laridae Habitat: Ponds

All records since January 2014
Adult
Gaviotín lagunero/Snowy-crowned Tern8-10-2006 © Roberto Ares
Conspicuous black eyestripe. Forked tail. Patas anaranjadas a rojizas. In alternate plumage: orange bill with a black stripe in the middle. Grey upperparts and underparts
Gaviotín lagunero/Snowy-crowned Tern8-10-2006 © Roberto Ares
Gaviotín lagunero/Snowy-crowned Tern8-10-2006 © Roberto Ares
Gaviotín lagunero/Snowy-crowned Tern
In basic plumage: black bill with yellow tip. White underparts.
Gaviotín lagunero/Snowy-crowned Tern8-10-2006 © Roberto Ares
Bills in transition
The day of Snowy-crowned Terns
Gaviotín lagunero/Snowy-crowned Tern© Roberto Ares
More than 20 indivduals resting in the Duck Pond
Diet
Gaviotín lagunero/Snowy-crowned Tern© Roberto Ares
Plunges for prey © Claudia Mons
More photographic records since January 2013