The funnel’s outer white bands are narrower than the intervening bands, while the flag’s five stripes are equal. Godwit at Lyttelton in December 1991, Tigris Leader photographs and Noshiro Maru’s portside view of October 2013 support the distinction. Some small published funnel drawings appear equal-banded; monochrome Yamagata Maru and Noto Maru photographs instead suggest a wider central white gap.
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