Monteiro’s Petrel. La Graciosa (Azores), June 2011. Rafael Armada. RA20110601_40591

Adult Monteiro’s Petrel, June 2011 (Rafael Armada). This is a ‘classic’ Monteiro’s Petrel, photographed in mid-summer when only this species is present in the region, showing a deep forked tail and long-winged appearance producing an overall ‘rakish’ structure. The measurements of Monteiro’s Petrel indicate overall a longer wing and deeper fork to the tail than ‘Grant’s Petrel’.

Adult Monteiro’s Petrel, June 2011 (Rafael Armada). This is a ‘classic’ Monteiro’s Petrel, photographed in mid-summer when only this species is present in the region, showing a deep forked tail and long-winged appearance producing an overall ‘rakish’ structure. The measurements of Monteiro’s Petrel indicate overall a longer wing and deeper fork to the tail than ‘Grant’s Petrel’.

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