Aquesta foto va ser presa en una de les sortides al Parc Natural del Delta de l'Ebre de Audouin Birding Tours http://www.audouinbirding.net/

Esta foto fue tomada en una de las excursiones al Parque Natural Delta del Ebro de Audouin Birding Tours http://www.audouinbirding.net/

Here you can see several Balearic Sheawaters and a Levantine Sheawater (bottom right) been able to compare both species. Notice Levantine is much paler in the flank and axilars.

This picture was taken in one of the day trip to Ebro Delta Nature Park from Audouin Birding Tours http://www.audouinbirding.net/