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Old Sunday 24th May 2020, 08:44   #3
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Join Date: Jan 2015
Location: Tainan, Taiwan
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Originally Posted by andyb39 View Post
I believe it's a 2nd-year Christmas Island - buff head, lack of a breastband and lack of axiliary spurs makes it 2nd year, plus the diagnostic black breast "tabs" and heart-shaped belly patch make it CI. See plate 20 and the table on p.37 here:
Thanks, Andy.

I read the paper you link to before I posted and came to much the same conclusion. I had a hard time matching this bird to either Great or Lesser Frigatebird, but could see no difference between it and e.g. the one here:

I am, however, wary about what variation might exist between these three, not least as CIF would be the first national record.

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