Gaviota Andina  (Chroicocephalus serranus)
  Adulto
Laguna Runtuyoc
Jujuy
Argentina
29/04/2014
Ramiro Ramirez

Gaviota Andina  (Chroicocephalus serranus)
  Juvenil
Laguna Runtuyoc
Jujuy
Argentina
12/07/2014
Walter Bustamante