Checklist S54223821
Sharing links
Totals
Observations
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Number observed: 1
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Number observed: 9
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Number observed: 1
Media
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Number observed: 1
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Number observed: 57
Media
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Number observed: 9
Media
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Number observed: 1
Details
Medium sized pterodroma. The only pterodroma in the pacific with a grayish belly. Dark blue gray in the light we had it appeared to be silvery gray with a very distinctive M band on the upperwings. Distinctive dark belly. Very large dark bar on the underwing coverts. Black on the trailing edge of the underwing and black on the primary tips. Significantly less than on a BWPE or HAPE. Flew up port side of boat, northbound.