Content preview: When in Broome, Western Australia in 2002 and again in 2015
I saw Silver Gulls with all the features of juvenile birds but which have
a distinctly black sub-terminal band across the upper surface of the tail.
The juvenile Silver Gulls I see around Nambucca Heads may have a light
brownish
band but not black. Checking the literature (HANZAB, Pizzey & Knight,
Simpson
& Day, Morecombe, Slater) all mention ?brownish? except the Slaters who
say ?dark?. None describes black. Am I mistaking a dark band for black
or am I observing an undescribed Broome or Western Australian feature of the
Silver Gull or perhaps I am mistaken when I identify them as Silver Gulls.
[...]
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Subject: Silver Gulls with black sub-terminal band across tail
feathers
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When in Broome, Western Australia in 2002 and again in 2015 I saw Silver
Gulls with all the features of juvenile birds but which have a distinctly
black sub-terminal band across the upper surface of the tail. The juvenile
Silver Gulls I see around Nambucca Heads may have a light brownish band but
not black. Checking the literature (HANZAB, Pizzey & Knight, Simpson & Day,
Morecombe, Slater) all mention =91brownish=92 except the Slaters who say =
=91dark=92.
None describes black. Am I mistaking a dark band for black or am I observing
an undescribed Broome or Western Australian feature of the Silver Gull or
perhaps I am mistaken when I identify them as Silver Gulls.
Can someone sort me out please.
Evan Cleland.
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