ML620301385
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觀察細節
Largely silent migratory flock feeding in close proximity - assessing plumage saturation difficult due to bright early morning sun. Eventually confirmed as Tickells (Alpine - occisinensis) by single call on recordingl at 0:35 on video. Apparently a wintering rather than breeding species in this area, so a large group here offers insights into phenology - birds were back on breeding grounds in Sichuan when we visited 10 days later.
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