Pomarine Jaeger (Stercorarius pomarinus), Rotary Park, Mohave County

This Pomarine Jaeger was discovered by David Vander Pluym, Lauren Harter and John West and photographed by David Vander Pluym and John West on 13 November 2011.

Identification points include these details written by David Vander Pluym:  The bird appeared dark and was noticeably larger than the Ring-billed Gulls. Showed a contrasting dark face with a pale head, that also contrasted with the body Strongly bicolored bill Barred underwing coverts that contrasted with the flanks. Contrasting undertail coverts From the Photos: Double underwing flash with a white bar on the primaries and dark tips with white bases to the primary coverts, forming another white bar Underwing coverts boldy barred and strongly contrast with the dark body Undertail coverts strongly barred and continue slightly onto the lower flanks and contrast strongly with the body. The dark face and pale head is somewhat visible. From the next day the paler head contrasted with the darker face and body. The double wing flash was also visible.

13 November 2011, photo by David Vander Pluym

 

13 November 2011, photo by John West

 

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