A swallow-tailed gull (<i>Creagrus furcatus</i>) in the Galápagos Islands (ca: Gavina de cua bifurcada; es: Gaviota tijereta o de cola bifurcada)
Marc Figueras (<a href="https://ca.wikipedia.org/wiki/Usuari:Oersted" class="extiw" title="ca:Usuari:Oersted">Oersted</a>)
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>