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Old Friday 24th March 2017, 00:12   #119
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Join Date: Jan 2015
Location: Tainan, Taiwan
Posts: 357
Originally Posted by balex78 View Post
Taimyrensis is slightly different from nominate heuglini. Taimyr often has a slimmer and thinner bill , a smaller ans more rounded head and slightly paler upperparts. Its structure is less bulkier than heuglini's
Granted, but all these terms are so relative and of little practical use to apply to a set of birds which exhibit so much variation in the first place!

Last edited by SteveMM : Friday 24th March 2017 at 00:15.
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