White-faced Storm Petrel: Juvenile plumage

Rarely photographed

by Martin G.

One of the less headline making observations on our Lazararote pelagic in August was of the first apparent JUVENILE White-face Storm Petrel seen on these trips. Do you remember when they were called the mythical sounding ‘Frigate Petrel’? It was alongside a worn adult type and both fed in-between our 2 boats.

Below –  photo showing the 2 the apparently different ages classes together. First time captured on camera?

ad and juv White faced petrel aug 13 2

apparent worn adult (left) and juvenile (right) ‘Frigate Petrels’, off Lanzarote, August 2013. Martin Garner

Which taxa?

There are 2  forms described for the North Atlantic, though it’s debated whether they are valid or not. I found the literature a little conflicting in describing differences. I also couldn’t resolve in my mind which population a fresh juvenile in August would have come from. Suggestions welcome.

I checked with other’s on our boat and Johannes Dag Mayer and Florien Straub (thanks guys!) both got shots of what seems to be the same juvenile:

White-faced-9735

White-faced Storm Petrel DJ 3 (1 von 1)

White-faced Storm Petrel DJ 5 (1 von 1)

White-faced-9747Above apparent juvenile White-faced Storm-petrel off Lanzarote, August 2013 by Johannes Dag Mayer and Florian Straub.

To finish off some beautiful photos of a White-faced Storm Petrel showing typical wacky feeding mode from the same trip and captured by Johannes. See more of Johannes photos on his Flickr stream >>>HERE<<< (worth clicking on photos below to see larger sizes 🙂

White-faced-9914 JDM

White-faced-9900

White-faced-9927 JDM.

 

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About Martin Garner

I am a Free Spirit
This entry was posted in Lanzarote, Seabirds. Bookmark the permalink.

2 Responses to White-faced Storm Petrel: Juvenile plumage

  1. Wonderful images – especially the last 2. RH

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